Pioneer companyhas given an aptitude test to 71 potential job applicants.The test score had an average of81 and a standard deviation of 8.Aptitude...
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Pioneer company has given an aptitude test to 71 potential job applicants. The test score had an average of 81

and a standard deviation of 8. Aptitude tests are known to follow a t-distribution. Pioneer rejects the bottom 5% of the applicants right away. The top 5% are hired immediately at managerial positions. Answer the next 6 questions. 

a. What is the degrees of freedom for this distribution?

b. What is the t-score for someone who has scored 93?

c. What is the cutoff score for those who'll be hired as managers?

d. What will be the cutoff score fro those who'll get rejected right away? 

e. If we want to define the middle of the class (80%) to be average, what will be the lower cut-off scores?

f. If we want to define the middle of the class (80%) to be average, what will be the upper cut-off scores?

Top Answer

a.The degrees of freedom for this distribution = 70 b.The t-score for someone who has scored 93, t = 1.5 c.The... View the full answer

80% CI for Mean_110119.png

Confidence interval - mean
80% confidence level
81 mean
8 std. dev.
71 n
1.294 t (df = 70)
1.228 half-width
82.228 upper confidence limit
79.772 lower confidence limit

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Other Answers

F) Upper Cutoff... View the full answer

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