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Use Stat>Basic Statistics>2-sample t, choose the option samples in one column Use Stat>Basic Statistics>2-sample t, choose the option samples in one column, select column BMI
Use Stat>Basic Statistics>2-sample t, choose the option "samples in one column", select column BMI into samples field, and select column group into subscripts field. Click 0K. 6. Based on the p-value and .05 level of significance, what decision is reached? (a) The populations represented by samples that received experimental versus conventional treatments have the same mean BMI; (b) The populations represented by samples that received experimental versus conventional treatments do not have the same mean BMI; For the categorical variable sex, we will conduct a test of Ho: two populations have the same distribution of a categorical variable versus Ha: not so. Use Stat>Tables>Cross Tabulation and Chi-Square. Select group as categorical variable for rows, select sex as categorical variable for columns. Under display, check counts and row percents. Click on Chi-square, and check the box to display chi-square analysis. Click 0K and again 0K. 7. Females make up what percent of group 1 ? number between 0 and 100 without % symbol. 8. Females make up what percent of group 2? number between 0 and 100 without % symbol. When submitting your answer to LON-CAPA, enter the When submitting your answer to LON-CAPA, enter the 9. For the chi-square test comparing the distribution of sex in two groups, what is the value of the chi-square test statistic (found under Pearson chi-square on Minitab's output)? 10. What is the p-value? 11. Is the distribution of sex the same in two populations, represented by the samples that received experimental versus conventional treatment?
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