New quiz for R with multiple quizes

Author: liamjberrisford

individual_modules/advanced_regression_analysis_with_R/advanced_regression_analysis_with_R_extras.ipynb

@@ -100,20 +100,20 @@
        "\n",
        "Residuals:\n",
        "    Min      1Q  Median      3Q     Max \n",
-       "-12.723  -2.550  -0.145   2.390  10.545 \n",
+       "-13.037  -3.102   0.150   3.317  12.093 \n",
        "\n",
        "Coefficients:\n",
        "              Estimate Std. Error t value Pr(>|t|)    \n",
-       "(Intercept)    8.34107    0.40980  20.354   <2e-16 ***\n",
-       "VisitNum      -0.09151    0.11334  -0.807    0.420    \n",
-       "SexM          -0.52838    0.55491  -0.952    0.341    \n",
-       "VisitNum:SexM  0.05683    0.15077   0.377    0.706    \n",
+       "(Intercept)     9.0482     0.5143  17.593   <2e-16 ***\n",
+       "VisitNum       -0.2658     0.1618  -1.642    0.101    \n",
+       "SexM           -1.1286     0.6934  -1.628    0.104    \n",
+       "VisitNum:SexM   0.2458     0.2085   1.179    0.239    \n",
        "---\n",
        "Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1\n",
        "\n",
-       "Residual standard error: 3.957 on 715 degrees of freedom\n",
-       "Multiple R-squared:  0.003117,\tAdjusted R-squared:  -0.001066 \n",
-       "F-statistic: 0.7451 on 3 and 715 DF,  p-value: 0.5254\n"
+       "Residual standard error: 4.624 on 685 degrees of freedom\n",
+       "Multiple R-squared:  0.006415,\tAdjusted R-squared:  0.002063 \n",
+       "F-statistic: 1.474 on 3 and 685 DF,  p-value: 0.2203\n"
       ]
      },
      "metadata": {},
@@ -162,19 +162,19 @@
        "\n",
        "Residuals:\n",
        "     Min       1Q   Median       3Q      Max \n",
-       "-12.5021  -2.5515  -0.1623   2.4302  10.6303 \n",
+       "-13.2979  -3.1486   0.2083   3.3241  12.3776 \n",
        "\n",
        "Coefficients:\n",
        "              Estimate Std. Error t value Pr(>|t|)    \n",
-       "(Intercept)    8.05290    0.27629  29.146   <2e-16 ***\n",
-       "VisitNum:SexF -0.02392    0.08835  -0.271    0.787    \n",
-       "VisitNum:SexM -0.08852    0.08179  -1.082    0.280    \n",
+       "(Intercept)    8.42721    0.34536  24.401   <2e-16 ***\n",
+       "VisitNum:SexF -0.09742    0.12460  -0.782    0.435    \n",
+       "VisitNum:SexM -0.14319    0.10767  -1.330    0.184    \n",
        "---\n",
        "Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1\n",
        "\n",
-       "Residual standard error: 3.956 on 716 degrees of freedom\n",
-       "Multiple R-squared:  0.001853,\tAdjusted R-squared:  -0.0009356 \n",
-       "F-statistic: 0.6644 on 2 and 716 DF,  p-value: 0.5149\n"
+       "Residual standard error: 4.63 on 686 degrees of freedom\n",
+       "Multiple R-squared:  0.002572,\tAdjusted R-squared:  -0.0003362 \n",
+       "F-statistic: 0.8844 on 2 and 686 DF,  p-value: 0.4134\n"
       ]
      },
      "metadata": {},
@@ -221,20 +221,20 @@
        "\n",
        "Residuals:\n",
        "    Min      1Q  Median      3Q     Max \n",
-       "-12.723  -2.550  -0.145   2.390  10.545 \n",
+       "-13.037  -3.102   0.150   3.317  12.093 \n",
        "\n",
        "Coefficients:\n",
        "              Estimate Std. Error t value Pr(>|t|)    \n",
-       "(Intercept)    8.34107    0.40980  20.354   <2e-16 ***\n",
-       "SexM          -0.52838    0.55491  -0.952    0.341    \n",
-       "SexF:VisitNum -0.09151    0.11334  -0.807    0.420    \n",
-       "SexM:VisitNum -0.03469    0.09943  -0.349    0.727    \n",
+       "(Intercept)    9.04816    0.51431  17.593   <2e-16 ***\n",
+       "SexM          -1.12864    0.69338  -1.628    0.104    \n",
+       "SexF:VisitNum -0.26578    0.16182  -1.642    0.101    \n",
+       "SexM:VisitNum -0.02001    0.13150  -0.152    0.879    \n",
        "---\n",
        "Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1\n",
        "\n",
-       "Residual standard error: 3.957 on 715 degrees of freedom\n",
-       "Multiple R-squared:  0.003117,\tAdjusted R-squared:  -0.001066 \n",
-       "F-statistic: 0.7451 on 3 and 715 DF,  p-value: 0.5254\n"
+       "Residual standard error: 4.624 on 685 degrees of freedom\n",
+       "Multiple R-squared:  0.006415,\tAdjusted R-squared:  0.002063 \n",
+       "F-statistic: 1.474 on 3 and 685 DF,  p-value: 0.2203\n"
       ]
      },
      "metadata": {},

individual_modules/advanced_regression_analysis_with_R/expanding_the_mixed_effects_model_framework.ipynb

@@ -360,19 +360,19 @@
        "      }\n",
        "  }\n",
        "  </script>\n",
-       "  <div class=\"quiz-question\">Which of these statements are true for the relationship between weight and age? Apply a significance threshold of 0.05. </div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_q1\" id=\"quiz_q1_a1\"\n",
-       "         onclick=\"handleAnswer('quiz_q1', 'quiz_q1_a1', 'Correct.', true)\">\n",
-       "         The intercept is significantly non-zero</button><button type=\"button\" class=\"quiz-answer quiz_q1\" id=\"quiz_q1_a2\"\n",
-       "         onclick=\"handleAnswer('quiz_q1', 'quiz_q1_a2', 'Incorrect.', false)\">\n",
-       "         Age is significantly associated with weight</button><div class=\"feedback\" id=\"feedback_quiz_q1\"></div>\n",
+       "  <div class=\"quiz-question\">Which of these statements are true for the relationship between weight and age? Apply a significance threshold of 0.05. </div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1\" id=\"quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1_a1\"\n",
+       "         onclick=\"handleAnswer('quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1', 'quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1_a1', 'Correct.', true)\">\n",
+       "         The intercept is significantly non-zero</button><button type=\"button\" class=\"quiz-answer quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1\" id=\"quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1_a2\"\n",
+       "         onclick=\"handleAnswer('quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1', 'quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1_a2', 'Incorrect.', false)\">\n",
+       "         Age is significantly associated with weight</button><div class=\"feedback\" id=\"feedback_quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q1\"></div>\n",
        "       <button type=\"submit\" style=\"position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;\">\n",
        "         Submit\n",
        "       </button>\n",
-       "       </form><hr><div class=\"quiz-question\">Which of these statements are true for the relationship between BMI and age? Apply a significance threshold of 0.05.</div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_q2\" id=\"quiz_q2_a1\"\n",
-       "         onclick=\"handleAnswer('quiz_q2', 'quiz_q2_a1', 'Correct.', true)\">\n",
-       "         The intercept is significantly non-zero</button><button type=\"button\" class=\"quiz-answer quiz_q2\" id=\"quiz_q2_a2\"\n",
-       "         onclick=\"handleAnswer('quiz_q2', 'quiz_q2_a2', 'Incorrect.', false)\">\n",
-       "         BMI is significantly associated with weight.</button><div class=\"feedback\" id=\"feedback_quiz_q2\"></div>\n",
+       "       </form><hr><div class=\"quiz-question\">Which of these statements are true for the relationship between BMI and age? Apply a significance threshold of 0.05.</div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2\" id=\"quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2_a1\"\n",
+       "         onclick=\"handleAnswer('quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2', 'quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2_a1', 'Correct.', true)\">\n",
+       "         The intercept is significantly non-zero</button><button type=\"button\" class=\"quiz-answer quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2\" id=\"quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2_a2\"\n",
+       "         onclick=\"handleAnswer('quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2', 'quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2_a2', 'Incorrect.', false)\">\n",
+       "         BMI is significantly associated with weight.</button><div class=\"feedback\" id=\"feedback_quiz_c55ec308-6d24-11f0-b070-2675d86bf70a_q2\"></div>\n",
        "       <button type=\"submit\" style=\"position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;\">\n",
        "         Submit\n",
        "       </button>\n",
@@ -720,39 +720,39 @@
        "      }\n",
        "  }\n",
        "  </script>\n",
-       "  <div class=\"quiz-question\">What does the null hypothesis (HO) state in the context of regression analysis?</div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_q1\" id=\"quiz_q1_a1\"\n",
-       "         onclick=\"handleAnswer('quiz_q1', 'quiz_q1_a1', 'Incorrect', false)\">\n",
-       "         There is a significant relationship between X and Y</button><button type=\"button\" class=\"quiz-answer quiz_q1\" id=\"quiz_q1_a2\"\n",
-       "         onclick=\"handleAnswer('quiz_q1', 'quiz_q1_a2', 'Correct', true)\">\n",
-       "         The coefficient of X is zero</button><button type=\"button\" class=\"quiz-answer quiz_q1\" id=\"quiz_q1_a3\"\n",
-       "         onclick=\"handleAnswer('quiz_q1', 'quiz_q1_a3', 'Incorrect', false)\">\n",
-       "         The coefficient of Y is greater than zero</button><button type=\"button\" class=\"quiz-answer quiz_q1\" id=\"quiz_q1_a4\"\n",
-       "         onclick=\"handleAnswer('quiz_q1', 'quiz_q1_a4', 'Incorrect', false)\">\n",
-       "         The residuals are normally distributed</button><div class=\"feedback\" id=\"feedback_quiz_q1\"></div>\n",
+       "  <div class=\"quiz-question\">What does the null hypothesis (HO) state in the context of regression analysis?</div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1_a1\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1_a1', 'Incorrect', false)\">\n",
+       "         There is a significant relationship between X and Y</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1_a2\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1_a2', 'Correct', true)\">\n",
+       "         The coefficient of X is zero</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1_a3\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1_a3', 'Incorrect', false)\">\n",
+       "         The coefficient of Y is greater than zero</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1_a4\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1_a4', 'Incorrect', false)\">\n",
+       "         The residuals are normally distributed</button><div class=\"feedback\" id=\"feedback_quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q1\"></div>\n",
        "       <button type=\"submit\" style=\"position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;\">\n",
        "         Submit\n",
        "       </button>\n",
-       "       </form><hr><div class=\"quiz-question\">Which assumption is NOT required for hypothesis testing in regression analysis?</div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_q2\" id=\"quiz_q2_a1\"\n",
-       "         onclick=\"handleAnswer('quiz_q2', 'quiz_q2_a1', 'Incorrect', false)\">\n",
-       "         Errors (residuals) are normally distributed</button><button type=\"button\" class=\"quiz-answer quiz_q2\" id=\"quiz_q2_a2\"\n",
-       "         onclick=\"handleAnswer('quiz_q2', 'quiz_q2_a2', 'Correct', true)\">\n",
-       "         Samples are dependent</button><button type=\"button\" class=\"quiz-answer quiz_q2\" id=\"quiz_q2_a3\"\n",
-       "         onclick=\"handleAnswer('quiz_q2', 'quiz_q2_a3', 'Incorrect', false)\">\n",
-       "         Variances in each group are equal</button><button type=\"button\" class=\"quiz-answer quiz_q2\" id=\"quiz_q2_a4\"\n",
-       "         onclick=\"handleAnswer('quiz_q2', 'quiz_q2_a4', 'Incorrect', false)\">\n",
-       "         The dependent variable Y has a linear relationship with the independent variable X</button><div class=\"feedback\" id=\"feedback_quiz_q2\"></div>\n",
+       "       </form><hr><div class=\"quiz-question\">Which assumption is NOT required for hypothesis testing in regression analysis?</div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2_a1\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2_a1', 'Incorrect', false)\">\n",
+       "         Errors (residuals) are normally distributed</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2_a2\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2_a2', 'Correct', true)\">\n",
+       "         Samples are dependent</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2_a3\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2_a3', 'Incorrect', false)\">\n",
+       "         Variances in each group are equal</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2_a4\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2_a4', 'Incorrect', false)\">\n",
+       "         The dependent variable Y has a linear relationship with the independent variable X</button><div class=\"feedback\" id=\"feedback_quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q2\"></div>\n",
        "       <button type=\"submit\" style=\"position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;\">\n",
        "         Submit\n",
        "       </button>\n",
-       "       </form><hr><div class=\"quiz-question\">What does a p-value less than 0.05 indicate in the context of regression analysis?</div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_q3\" id=\"quiz_q3_a1\"\n",
-       "         onclick=\"handleAnswer('quiz_q3', 'quiz_q3_a1', 'Incorrect', false)\">\n",
-       "         The null hypothesis cannot be rejected</button><button type=\"button\" class=\"quiz-answer quiz_q3\" id=\"quiz_q3_a2\"\n",
-       "         onclick=\"handleAnswer('quiz_q3', 'quiz_q3_a2', 'Incorrect', false)\">\n",
-       "         There is no significant relationship between the variables</button><button type=\"button\" class=\"quiz-answer quiz_q3\" id=\"quiz_q3_a3\"\n",
-       "         onclick=\"handleAnswer('quiz_q3', 'quiz_q3_a3', 'Correct', true)\">\n",
-       "         The regression coefficient is significantly different from zero</button><button type=\"button\" class=\"quiz-answer quiz_q3\" id=\"quiz_q3_a4\"\n",
-       "         onclick=\"handleAnswer('quiz_q3', 'quiz_q3_a4', 'Incorrect', false)\">\n",
-       "         The residuals are not normally distributed</button><div class=\"feedback\" id=\"feedback_quiz_q3\"></div>\n",
+       "       </form><hr><div class=\"quiz-question\">What does a p-value less than 0.05 indicate in the context of regression analysis?</div><form class=\"quiz-form\"><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3_a1\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3_a1', 'Incorrect', false)\">\n",
+       "         The null hypothesis cannot be rejected</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3_a2\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3_a2', 'Incorrect', false)\">\n",
+       "         There is no significant relationship between the variables</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3_a3\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3_a3', 'Correct', true)\">\n",
+       "         The regression coefficient is significantly different from zero</button><button type=\"button\" class=\"quiz-answer quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3\" id=\"quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3_a4\"\n",
+       "         onclick=\"handleAnswer('quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3', 'quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3_a4', 'Incorrect', false)\">\n",
+       "         The residuals are not normally distributed</button><div class=\"feedback\" id=\"feedback_quiz_c56fcab8-6d24-11f0-b070-2675d86bf70a_q3\"></div>\n",
        "       <button type=\"submit\" style=\"position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;\">\n",
        "         Submit\n",
        "       </button>\n",