QUESTION 13 Calculate the rr statistic for t o 35 31 1 and two groups of 10mdivi

Question

QUESTION 13 Calculate the rr statistic for t o 35 31 1 and two groups of 10mdividuals each. o 55 0 .49 QUESTION 14 In airport security screening.--_ e Type II; beeps; it should O Type I, beeps, it should O Type II, does not beep; it should O Type I, does not beep, it should not. errors occur when the screening device w hen in fact QUESTION 15 A study compares the means of two groups, each having N- 10. If the standard deviations in the two groups are 4.00 and 6.00, what is the value for the standard error of the dafference? ·05.20 O 1.00 O 2.28 10.00 Click Save and Submit to sove and submit. Click Sove AN Answers to sove all answers search 24

Explanation / Answer

13)

hence r2 =(0.7398)2 =0.55

14)

type II ; doe not beep ; it should

15)

std error =(42/10+62/10)1/2 =2.28

n= 10 t= 3.11 rc=(t2/(t2+n-2))= 0.7398

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