Statistics for Psychology
Statistics for Psychology
6th Edition
ISBN: 9780205258154
Author: Arthur Aron Ph.D., Elaine N. Aron Ph.D., Elliot Coups Ph.D., Cole Publishing
Publisher: PEARSON
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Chapter 3, Problem 4PP

a.

To determine

Find the percentage of scores above 40.

b.

To determine

Find the percentage of scores above 45.

c.

To determine

Find the percentage of scores above 30.

d.

To determine

Find the percentage of scores above 35.

e.

To determine

Find the percentage of scores below 40.

f.

To determine

Find the percentage of scores below 45.

g.

To determine

Find the percentage of scores below 30.

h.

To determine

Find the percentage of scores below 35.

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Chapter 3 Solutions

Statistics for Psychology

Ch. 3 - Prob. 1.1HDCh. 3 - Write the formula for changing a raw score to a Z...Ch. 3 - For a particular group of scores, M = 20 and SD =...Ch. 3 - Write the formula for changing a Z score to a raw...Ch. 3 - For a particular group of scores, M = 10 and SD =...Ch. 3 - Suppose a person has a Z score for overall health...Ch. 3 - Why is the normal curve (or at least a curve that...Ch. 3 - Without using a normal curve table, about what...Ch. 3 - Without using a normal curve table, about what...Ch. 3 - Without using a normal curve table, about what Z...
Ch. 3 - Using the normal curve table, what percentage of...Ch. 3 - Using the normal curve table, what Z score would...Ch. 3 - Explain the difference between the population and...Ch. 3 - Why do psychologists usually study samples and not...Ch. 3 - Explain the difference between random sampling and...Ch. 3 - Explain the difference between a population...Ch. 3 - Give the symbols for the population parameters for...Ch. 3 - Why are different symbols (Greek versus Roman...Ch. 3 - The probability of an event is defined as the...Ch. 3 - List and explain two interpretations of...Ch. 3 - Suppose you have 400 coins in a jar and 40 of them...Ch. 3 - Prob. 4.4HDCh. 3 - Prob. 4.5HDCh. 3 - On a measure of anxiety, the mean is 79 and the...Ch. 3 - On an intelligence test, the mean number of raw...Ch. 3 - Six months after a divorce, the former wife and...Ch. 3 - Suppose the people living in a city have a mean...Ch. 3 - Using the information in problem 4 and the...Ch. 3 - A psychologist has been studying eye fatigue using...Ch. 3 - In the previous problem, the test of eye fatigue...Ch. 3 - In the eye fatigue example of problems 6 and 7,...Ch. 3 - Using a normal curve table, give the percentage of...Ch. 3 - Consider a test of coordination that has a normal...Ch. 3 - Prob. 11PPCh. 3 - Prob. 12PPCh. 3 - On a measure of artistic ability, the mean for...Ch. 3 - Prob. 14PPCh. 3 - A person scores 81 on a test of verbal ability and...Ch. 3 - Prob. 16PPCh. 3 - Using the information in problem 16 and the...Ch. 3 - Suppose that the scores of architects on a...Ch. 3 - Prob. 19PPCh. 3 - Prob. 20PPCh. 3 - Suppose that you are designing an instrument panel...Ch. 3 - Prob. 22PPCh. 3 - Prob. 23PPCh. 3 - Prob. 24PPCh. 3 - Prob. 25PPCh. 3 - Prob. 26PP
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