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The proportion of cases in a normal distribution falling between Z = -.67 and Z

ID: 3293712 • Letter: T

Question

The proportion of cases in a normal distribution falling between Z = -.67 and Z = +.67 is approximately a. 25 b. 50 c. 67 d. 1.34 A store of 650 is earned on mu = 500 and sigma = 100. An equivalent score on a scale where the mu = 100 and sigma = 10 is a. 105 b. 110 c. 115 d. 120 To learn how well we can predict Y from knowledge of X, we calculate and find r = -1.16. From this we know a. High values of X are predictive of low values of Y b. High values of X are predictive of high values of Y c. We have made a mistake in calculation One way analysis of variance is applicable when there are a. Any number of samples b. At least 3 samples c. At least 5 samples d. No more than 5 samples The aim of a hypothesis is to reject the null hypothesis a. True b. False

Explanation / Answer

The answers are:

16. Option B is correct.

17. Option C is correct.

18. Option C is correct.

19. Option B is correct.

20. Option A is correct.