Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether μ₁₂ at the α = 0.10 level of significance for the given sample data. (b) Construct a 90% confidence interval about μ₁-H₂. (a) Identify the null and alternative hypotheses for this test. OA. Ho: H₁ H₂ H₁: H₁ H₂ OD. Ho. H =2 H₁: Hy

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Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed.
(a) Test whether μµ₁ > µ₂ at the α = 0.10 level of significance for the given sample data.
(b) Construct a 90% confidence interval about μ₁-12-
(a) Identify the null and alternative hypotheses for this test.
OA. Ho H₁ H₂
H₁: H₁ H₂
OD. Ho: H1 H₂
H₁: H₁
H₂
OB. Ho: H₁ H₂
H₁: H₁ = H₂
O E. Ho: H1 H₂
H₁: H₁
H₂
OC. Ho H₁ H₂
H₁: H₁ = H₂
OF. Ho: H₁ H₂
H₁: H₁ = H₂
n
X
S
Population 1 Population 2
15
20
48.8
46.3
7.3
11.5
Transcribed Image Text:Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether μµ₁ > µ₂ at the α = 0.10 level of significance for the given sample data. (b) Construct a 90% confidence interval about μ₁-12- (a) Identify the null and alternative hypotheses for this test. OA. Ho H₁ H₂ H₁: H₁ H₂ OD. Ho: H1 H₂ H₁: H₁ H₂ OB. Ho: H₁ H₂ H₁: H₁ = H₂ O E. Ho: H1 H₂ H₁: H₁ H₂ OC. Ho H₁ H₂ H₁: H₁ = H₂ OF. Ho: H₁ H₂ H₁: H₁ = H₂ n X S Population 1 Population 2 15 20 48.8 46.3 7.3 11.5
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