Calculate i. ii. iii. The sample mean The sample variance A 90% confidence interval for the population mean

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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b) A random variable of 7 independent observations of a normal variable gave
Σ x = 35.9
Σχ2 = 186.19
Calculate
i.
ii.
iii.
The sample mean
The sample variance
A 90% confidence interval for the population mean
Transcribed Image Text:b) A random variable of 7 independent observations of a normal variable gave Σ x = 35.9 Σχ2 = 186.19 Calculate i. ii. iii. The sample mean The sample variance A 90% confidence interval for the population mean
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