# STAT 101 Saudi Assign 3 Temperature Measurements Statistics Questions

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CSTS-SEU-KSA

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Statistics (STAT-101)

Assignment-3 (Weeks: 9-11)

2nd Semester, 1439-1440 (2018-2019)

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1. Various temperature measurements are recorded at different times for a particular city. The

mean of 20ºC is obtained for 40 temperatures on 40 different days. Assuming that σ=1.5ºC,

test the claim that the population mean is 22ºC. Use a 0.05 significance level.

Identify the null hypothesis, alternative hypothesis, test statistics, P-value and final the

conclusion about the original claim.

Solution:

̅ (sample mean) = 20ºC

𝒙

σ=1.5ºC

population mean = 22ºC

n = 40

α = 0.05

H0 : ...

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