Sample 1: n₁ = : 6, x₁ = 27.7, $₁ = 9.44 Sample 2: 1₂ = 19, x₂ = 27.2, S₂ = 8.4 (a) The degree of freedom is (b) The test statistic is

PREALGEBRA
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Chapter5: Decimals
Section5.5: Averages And Probability
Problem 400E: The cash register receipts each day last week at a coffee shop were $1,845. $1,520. $1,438, $1,682,...
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Test the claim that the two samples described below come from populations with the same mean. Assume that the samples are independent simple random samples. Use a significance level of α=0.01

 

Sample 1: n₁ = : 6, x₁ = 27.7, $₁ = 9.44
Sample 2: 1₂ = 19, x₂ = 27.2, S₂ = 8.4
(a) The degree of freedom is
(b) The test statistic is
Transcribed Image Text:Sample 1: n₁ = : 6, x₁ = 27.7, $₁ = 9.44 Sample 2: 1₂ = 19, x₂ = 27.2, S₂ = 8.4 (a) The degree of freedom is (b) The test statistic is
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