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For each of the following quantities in the box model, select the answer if the quantity is estimated, not known. Leave the quantities that are known unselected.

For each of the following quantities in the box model, select the answer if the quantity is estimated, not known. Leave the quantities that are known unselected.

MATLAB: An Introduction with Applications
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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A box model is used to calculate a confidence interval in the following scenario:

One thousand high school students in a large city are randomly selected for a survey. Among these students, the average reported GPA is 3.0, and the SD is 1.22.

For each of the following quantities in the box model, select the answer if the quantity is estimated, not known. Leave the quantities that are known unselected.


a. the SD of GPA of high school students in the sample
b. the average GPA of high school students in the sample
c. the average GPA of all high school students in the city
d. the SD of the tickets in the box
 
 
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