Mathematics, 07.07.2020 22:01 misslux
A group of 44 women with gestational diabetes were assigned to one of two groups. Group 1 received standard care, and group 2 participated in group counseling visits. Researchers want to determine whether or not the birth weights of the infants of the mothers who participated in the group counseling visits were significantly different than the birth weights of mothers who received standard care at the α = 0.05 level. For your convenience, I have prepared an excel file with the birth weight in grams for both groups below. A. What is the proper test to use?1. two-sample t-test for dependent samples2. none of the above3. two-sample t-test for independent samples4. one-sample z-testB. What is the degrees of freedom for this study?a. 21b. 22c. 42d. 43C. What is the test statistic?a. 2.79b. 0.89c. 0.57d. 2.32D. This finding is statistically significant.1. True2. FalseE. Based on this information, the researcher should make the decision to .1. reject the null hypothesis2. fail to reject the null hypothesis F. What is the effect size?a. 0.0019b. 0.70c. 0.351.0G. How would you interpret this effect size?1. Medium2. Strong3. WeakGroup 1Group 24350439542254375465042255400333538 50397544504020437537253950382545254 12552004425480043754275405541754500 42304875465038554300395546504355472 53975432545504225432543504675457547 45
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