Find the Null and alternative hypothesis for the questions below; a. College Professors have incomes with a standard deviation that is less than $21,000. A recent study of 225 College Professors income showed a standard deviation of $24,750. b. The mean IQ score of statistics professors is greater than 128. Sample data shows n=15, sample mean = 110 and sample standard deviation is 15. c. The mean weight of super model winners is 108 pounds. A study of 25 randomly selected super model resulted in a mean winner is less than the weight of 115 pounds.
Find the Null and alternative hypothesis for the questions below; a. College Professors have incomes with a standard deviation that is less than $21,000. A recent study of 225 College Professors income showed a standard deviation of $24,750. b. The mean IQ score of statistics professors is greater than 128. Sample data shows n=15, sample mean = 110 and sample standard deviation is 15. c. The mean weight of super model winners is 108 pounds. A study of 25 randomly selected super model resulted in a mean winner is less than the weight of 115 pounds.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Q#3: Find the Null and alternative hypothesis for the questions below;
a. College Professors have incomes with a standard deviation that is less than $21,000. A recent study of 225 College Professors income showed a standard deviation of $24,750.
b. The
c. The mean weight of super model winners is 108 pounds. A study of 25 randomly selected super model resulted in a mean winner is less than the weight of 115 pounds.
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