Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC bookstore costs $$ 88.74. You want to test this claim. Based on a sample of 70 textbooks at the store, you find an average of 92.14 and a standard deviation of 29.6. The point estimate is: (to 3 decimals) The 95 % confidence interval (use z*) is: to (to 3 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis
Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC bookstore costs $$ 88.74. You want to test this claim. Based on a sample of 70 textbooks at the store, you find an average of 92.14 and a standard deviation of 29.6. The point estimate is: (to 3 decimals) The 95 % confidence interval (use z*) is: to (to 3 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis
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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Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC bookstore costs $$ 88.74. You want to test this claim.
Based on a sample of 70 textbooks at the store, you find an average of 92.14 and a standard deviation of 29.6.
The point estimate is: (to 3 decimals)
The 95 % confidence interval (use z*) is: to (to 3 decimals)
Based on this we:
- Reject the null hypothesis
- Fail to reject the null hypothesis
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