T8.12. How many people live in South African house- holds? To find out, we collected data from an SRS of 48 out of the over 700,000 South African students who took part in the CensusAtSchool survey project. The mean number of people living in a household was 6.208; the standard devia- tion was 2.576.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Question
(a) Is the Normal condition met in this case? Justify your
answer.
(b) Maurice claims that a 95% confidence interval for the
population mean is 6.208±1.960.372
Explain why this
47
interval is wrong. Then give the correct interval.
Transcribed Image Text:(a) Is the Normal condition met in this case? Justify your answer. (b) Maurice claims that a 95% confidence interval for the population mean is 6.208±1.960.372 Explain why this 47 interval is wrong. Then give the correct interval.
T8.12. How many people live in South African house-
holds? To find out, we collected data from an SRS of 48 out
of the over 700,000 South African students who took part in
the CensusAtSchool survey project. The mean number of
people living in a household was 6.208; the standard devia-
tion was 2.576.
Transcribed Image Text:T8.12. How many people live in South African house- holds? To find out, we collected data from an SRS of 48 out of the over 700,000 South African students who took part in the CensusAtSchool survey project. The mean number of people living in a household was 6.208; the standard devia- tion was 2.576.
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