4. In a study of women science majors, the following data were obtained on two groups, those who left their profession within a few months after graduation (leavers) and those who remained in their profession after they graduated (stayers). Test the claim that those who stayed had a higher science grade-point average than those who left. Use α = 0.05. Assuming that populations are normally distributed and population variances are equal. Leavers Stayers Sample size = 22 Sample size = 25 Sample SD= .58 Sample SD= 0.52 Sample mean = 3.14 Sample mean = 3.20
4. In a study of women science majors, the following data were obtained on two groups, those who left their profession within a few months after graduation (leavers) and those who remained in their profession after they graduated (stayers). Test the claim that those who stayed had a higher science grade-point average than those who left. Use α = 0.05. Assuming that populations are normally distributed and population variances are equal. Leavers Stayers Sample size = 22 Sample size = 25 Sample SD= .58 Sample SD= 0.52 Sample mean = 3.14 Sample mean = 3.20
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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4. In a study of women science majors, the following data were obtained on two groups, those who left their profession within a few months after graduation (leavers) and those who remained in their profession after they graduated (stayers). Test the claim that those who stayed had a higher science grade-point average than those who left. Use α = 0.05. Assuming that populations are
Leavers Stayers
Sample SD= .58 Sample SD= 0.52
Sample mean = 3.14 Sample mean = 3.20
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