Mean Standard Deviation N Lower class 12.19 3.08 102 Working class 13.16 2.93 523 Middle class 14.60 2.88 498 Upper class 15.21 3.01 34 Construct the 95% confidence interval for the mean number of years of education for lower- and working-class respondents. Construct the 99% confidence interval for the mean number of years of education for lower-
Mean Standard Deviation N Lower class 12.19 3.08 102 Working class 13.16 2.93 523 Middle class 14.60 2.88 498 Upper class 15.21 3.01 34 Construct the 95% confidence interval for the mean number of years of education for lower- and working-class respondents. Construct the 99% confidence interval for the mean number of years of education for lower-
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
In the table below, average years of education are reported by social class based on data from the 2018 General Social Survey.
Mean | Standard Deviation | N | |
Lower class | 12.19 | 3.08 | 102 |
Working class | 13.16 | 2.93 | 523 |
Middle class | 14.60 | 2.88 | 498 |
Upper class | 15.21 | 3.01 | 34 |
- Construct the 95% confidence interval for the mean number of years of education for lower- and working-class respondents.
- Construct the 99% confidence interval for the mean number of years of education for lower-class and middle-class respondents.
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