An industrial psychologist feels that a big factor in job turnover among assembly-line workers is the individual employees' self-esteem. He thinks that workers who change jobs often (population A) have, on the average, lower self-esteem, as measured by standardized test, than workers who do not (population B). To determine whether he can support his belief with statistical analysis, he draws a simple random sample of employees from each population and gives a test measuring self-esteem. The results are as follows. At 0.05 level of significance and assuming equal variances. Mean Standard Deviation Sample size A 52.3 9.23 10 69.47 11.78 17 Provide the tabular and computed value of the test statistic.

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An industrial psychologist feels that a big factor in job turnover among assembly-line workers is the individual employees' self-esteem. He thinks that
workers who change jobs often (population A) have, on the average, lower self-esteem, as measured by standardized test, than workers who do not
(population B). To determine whether he can support his belief with statistical analysis, he draws a simple random sample of employees from each
population and gives a test measuring self-esteem. The results are as follows. At 0.05 level of significance and assuming equal variances.
Mean
Standard Deviation Sample size
A
52.3
9.23
10
69.47
11.78
17
Provide the tabular and computed value of the test statistic.
O a.
1.703; 3.05
O b. 2.06; 3.94
O . 1.708; 4.01
O d. 2.052; 3.46
Transcribed Image Text:An industrial psychologist feels that a big factor in job turnover among assembly-line workers is the individual employees' self-esteem. He thinks that workers who change jobs often (population A) have, on the average, lower self-esteem, as measured by standardized test, than workers who do not (population B). To determine whether he can support his belief with statistical analysis, he draws a simple random sample of employees from each population and gives a test measuring self-esteem. The results are as follows. At 0.05 level of significance and assuming equal variances. Mean Standard Deviation Sample size A 52.3 9.23 10 69.47 11.78 17 Provide the tabular and computed value of the test statistic. O a. 1.703; 3.05 O b. 2.06; 3.94 O . 1.708; 4.01 O d. 2.052; 3.46
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