QUESTION 18 Gueutal et al. (1995) tested the hypothesis that pregnancy would have an effect on performance appraisal ratings. The data below has been shortened and simplified, but the results are similar to the original study. We obtain a random sample of 7 female employees who are pregnant and 8 female employees who are not pregnant. Performance ratings were made on a scale from 1 (poor) to 7 (excellent). Pregnant Not pregnant IN Mean 15 SS 15 Variance 25 13 21 What is the weighted variance s? QUESTION 19 Gueutal et al. (1995) tested the hypothesis that pregrancy would have an effect on performance appraisal ratings The data below has been shortened and simplified, but the results are similar to the original study. We obtain a random sample of 7 female employees who are pregnant and 8 female employees who are not pregnant. Performance ratings were made on a scale from 1 (poor) to 7 (excellent). Oreanantihint preenant

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QUESTION 18
Gueutal et al. (1995) tested the hypothesis that pregnancy would have an effect on performance appraisal ratings. The data below has been
shortened and simplified, but the results are similar to the original study.
We obtain a random sample of 7 female employees who are pregnant and 8 female emplayees who are not pregnant. Performance ratings were
made on a scale from 1 (poor) to 7 (excellent).
Pregnant Not pregnant
IN
Mean
15
SS
15
Variance 2.5
3
21
3
What is the weighted variance S 7
QUESTION 19
Gueutal et al. (1995) tested the hypothesis that pregnancy would have an effect on performance appraisal ratings The data below has been
shortened and simplified, but the results are similar to the original study.
We obtain a random sample of 7 female employees who are pregnant and 8 female employees who are not pregnant. Performance ratings were
made on a scale from 1 (poor) to 7 (excellent).
Pregnant Not pregnant
18
3
21
17
Mean
IN
15
15
Variance 25
SS
What is
Transcribed Image Text:QUESTION 18 Gueutal et al. (1995) tested the hypothesis that pregnancy would have an effect on performance appraisal ratings. The data below has been shortened and simplified, but the results are similar to the original study. We obtain a random sample of 7 female employees who are pregnant and 8 female emplayees who are not pregnant. Performance ratings were made on a scale from 1 (poor) to 7 (excellent). Pregnant Not pregnant IN Mean 15 SS 15 Variance 2.5 3 21 3 What is the weighted variance S 7 QUESTION 19 Gueutal et al. (1995) tested the hypothesis that pregnancy would have an effect on performance appraisal ratings The data below has been shortened and simplified, but the results are similar to the original study. We obtain a random sample of 7 female employees who are pregnant and 8 female employees who are not pregnant. Performance ratings were made on a scale from 1 (poor) to 7 (excellent). Pregnant Not pregnant 18 3 21 17 Mean IN 15 15 Variance 25 SS What is
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