Section 1: Questions 1 to 3 refer to the following table that has data points for GPAs in a statistics class: Use the following GPA data from a statistics class of 18 males and 14 females to answer question that follows. |25|24|24|23| Male GPA's Female GPA's 3.52 3.5 3.4 3.2 3.2 3.06 3.05 2.8 2.8 2.7 2.7 2.65 2.6 2.5 2.5 3.8 3.78 3.7 3.5 3.3 2.98 2.9 2.8 2.7 2.7 2.7 2.3 2.3 1.9 Question 1 From the data provided, calculate the 90% and the 95% Confidence Interval of GPAs for the class of male statistics students. Two decimals. Question 2 From the data provided, calculate the 95% and the 90% Confidence Interval of GPAs for the class of female statistics students. Two decimals. Question 3 What change did you observe when the confidence level decreased from 95% to 90% in question 2?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Answer question 1-3

Section 1:
Questions 1 to 3 refer to the following table that has data points for GPAs in a statistics class:
Use the following GPA data from a statistics class of 18 males and 14 females to answer question that follows.
Male
GPA'S
Female
GPA's
3.52 3.5 3.4 3.2 3.2 3.06 3.05 2.8 2.8 2.7 2.7 2.65 2.6 2.5 2.5 2.4 2.4 2.3
|24|2.4|2.3|
3.8 3.78 3.7 3.5 3.3 2.98 2.9 2.8 2.7 2.7 2.7 2.3 2.3 1.9
Question 1
From the data provided, calculate the 90% and the 95% Confidence Interval of GPAs for the class of male statistics
students. Two decimals.
Question 2
From the data provided, calculate the 95% and the 90% Confidence Interval of GPAs for the class of female statistics
students. Two decimals.
Question 3
What change did you observe when the confidence level decreased from 95% to 90% in question 2?
Transcribed Image Text:Section 1: Questions 1 to 3 refer to the following table that has data points for GPAs in a statistics class: Use the following GPA data from a statistics class of 18 males and 14 females to answer question that follows. Male GPA'S Female GPA's 3.52 3.5 3.4 3.2 3.2 3.06 3.05 2.8 2.8 2.7 2.7 2.65 2.6 2.5 2.5 2.4 2.4 2.3 |24|2.4|2.3| 3.8 3.78 3.7 3.5 3.3 2.98 2.9 2.8 2.7 2.7 2.7 2.3 2.3 1.9 Question 1 From the data provided, calculate the 90% and the 95% Confidence Interval of GPAs for the class of male statistics students. Two decimals. Question 2 From the data provided, calculate the 95% and the 90% Confidence Interval of GPAs for the class of female statistics students. Two decimals. Question 3 What change did you observe when the confidence level decreased from 95% to 90% in question 2?
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