What is the Standard Error for the Confidence Interval? Use three decimal places and use the proper rules of rounding.
What is the Standard Error for the Confidence Interval? Use three decimal places and use the proper rules of rounding.
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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Question

Transcribed Image Text:Difference in Two Proportions Problem. In a September 2019 survey of adults in the
U.S., participants were asked if within the last 5 years, they knew of a friend or family
member who died due to inability to pay for medical treatment. Overall, 13.4%
answered yes. The rate for seniors (those 65 and over) is much lower at 6.6% due to
Medicaide and Medicare. We will focus on the difference between the two younger
age groups.
The table below has the breakdown of the data by three Age Groups.
Yes
AGE
18-44
45-64
65+
Total
87
46
14
147
No
428
326
198
952
Total
515
372
212
1099
This problem will focus on a Difference of Proportion Problem between those 18 to 44
and those 45 to 64. Use this order, Proportion(18 to 44) - Proportion (45 to 64), in
calculating the difference so it is positive. Answer the following questions.
At first we will focus on the Confidence Interval for the Difference of Two
Proportions. We will construct a 95% Confidence Interval of the difference in
proportions. Do not assume equal variances for this calculation.
What is the Standard Error for the Confidence Interval? Use three decimal places and
use the proper rules of rounding.
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