Based on a sample of 70 textbooks at the store, you find an average of 54.2 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: O Fail to reject the null hypothesis O Reject the null hypothesis

Based on a sample of 70 textbooks at the store, you find an average of 54.2 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: O Fail to reject the null hypothesis O Reject the null hypothesis

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Suppose that BC financial aid allots a textbook stipend by claiming that the average textbook at BC
bookstore costs $ 57.8. You want to test this claim. The null and alternative hypothesis in symbols
would be:
O Ho:p > 57.8
H1:p < 57.8
ΟΗ : μ > 57.8
H1:µ < 57.8
Ο Η: μ 57.8
H1:µ > 57.8
O Ho:p < 57.8
H1:p > 57.8
O Ho: u = 57.8
H1: µ # 57.8
O Ho:p = 57.8
H1:p 57.8
The null hypothesis in words would be:
O The average price of all textbooks from the store is $ 57.8
O The average price of textbooks in a sample is $ 57.8
O The proportion of all textbooks from the store that are less than 57.8 is equal to 50%
O The average of price of all textbooks from the store is greater than $ 57.8.
O The average of price of all textbooks from the store is less than $ 57.8.
Based on a sample of 70 textbooks at the store, you find an average of 54.2 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:
ATM
hp

ourses/50306/assignments/608635?module_item_id%3D1106150
The null hypothesis in words would be:
O The average price of all textbooks from the store is $ 57.8
O The average price of textbooks in a sample is $ 57.8
O The proportion of all textbooks from the store that are less than 57.8 is equal to 50%
O The average of price of all textbooks from the store is greater than $ 57.8.
O The average of price of all textbooks from the store is less than $ 57.8.
Based on a sample of 70 textbooks at the store, you find an average of 54.2 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:
O Fail to reject the
hypothesis
O Reject the null hypothesis
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