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(3) On a vocational interest inventory that measures interest in several categories, a very large standardization group of adults (i.e., a population) has an average score of u = 22 and o = 4. Scores are normally distributed. A researcher would like to determine if scientists differ from the general population in terms of writing interests. A random sample of scientists is selected from the directory of a national science society. The scientists are given the inventory, and their test scores on the literary scale are as follows: 21, 20, 23, 28, 30, 24, 23, 19. Do scientists differ from the general population in their writing interests? а) Но: b) Ha: (c) Z=

(3) On a vocational interest inventory that measures interest in several categories, a very large standardization group of adults (i.e., a population) has an average score of u = 22 and o = 4. Scores are normally distributed. A researcher would like to determine if scientists differ from the general population in terms of writing interests. A random sample of scientists is selected from the directory of a national science society. The scientists are given the inventory, and their test scores on the literary scale are as follows: 21, 20, 23, 28, 30, 24, 23, 19. Do scientists differ from the general population in their writing interests? а) Но: b) Ha: (c) Z=

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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(3) On a vocational interest inventory that measures interest in several categories, a very large standardization group of adults (i.e., a population) has an average score of u = 22 and o = 4. Scores are normally distributed. A researcher would like to determine if scientists differ from the general population in terms of writing interests. A random sample of scientists is selected from the directory of a national science society. The scientists are given the inventory, and their test scores on the literary scale are as follows: 21, 20, 23, 28, 30, 24, 23, 19. Do scientists differ from the general population in their writing interests? (а) Но: (b) Hạ: (c) Z = (d) р %3 (e) What does the p value suggest about how likely your Z score is (or a more extreme Z score) if the null hypothesis is true? (f) Cohen's d
Transcribed Image Text:(3) On a vocational interest inventory that measures interest in several categories, a very large standardization group of adults (i.e., a population) has an average score of u = 22 and o = 4. Scores are normally distributed. A researcher would like to determine if scientists differ from the general population in terms of writing interests. A random sample of scientists is selected from the directory of a national science society. The scientists are given the inventory, and their test scores on the literary scale are as follows: 21, 20, 23, 28, 30, 24, 23, 19. Do scientists differ from the general population in their writing interests? (а) Но: (b) Hạ: (c) Z = (d) р %3 (e) What does the p value suggest about how likely your Z score is (or a more extreme Z score) if the null hypothesis is true? (f) Cohen's d
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