Is Friday the 13th Unlucky? The table shows the number of hospital admissions for Friday the 6th and Friday the 13th. Assume that the two samples are randomly selected. At the 0.01 significance level, test the claim that there is no mean difference in the number of hospital admissions for Friday the 6th and Friday the 13th. (Be sure to subtract in the same direction). Friday 6th Friday 13th Difference 3 3 5 6 9 14 4 4 7 11 8 6 11 10 What are the correct hypotheses? (Select the correct symbols and values.) H0: Select an answer μ₁ p μ(d) x̄₂ μ x̄₁ s₁² σ₁² ? < = ≥ ≤ ≠ > Select an answer μ₁ x̄₂ μ₂ x̄₁ p 0 s₁² σ₁² μ H1: Select an answer μ(d) μ₁ x̄₁ x̄₂ p μ μ₂ σ₂² s₂² ? ≥ > < = ≠ ≤ Select an answer σ₁² μ₂ x̄₂ s₁² p μ₁ μ x̄₁ 0 Original Claim = Select an answer H₁ H₀ df = Based on the hypotheses, find the following: Test Statistic = (Round to three decimal places.) Critical value(s) = ±± (Round to three decimal places.) p-value = (Round to four decimal places.)
Is Friday the 13th Unlucky?
The table shows the number of hospital admissions for Friday the 6th and Friday the 13th. Assume that the two samples are randomly selected. At the 0.01 significance level, test the claim that there is no mean difference in the number of hospital admissions for Friday the 6th and Friday the 13th.
(Be sure to subtract in the same direction).
Friday 6th | Friday 13th | Difference |
3 | 3 | |
5 | 6 | |
9 | 14 | |
4 | 4 | |
7 | 11 | |
8 | 6 | |
11 | 10 |
What are the correct hypotheses? (Select the correct symbols and values.)
H0: Select an answer μ₁ p μ(d) x̄₂ μ x̄₁ s₁² σ₁² ? < = ≥ ≤ ≠ > Select an answer μ₁ x̄₂ μ₂ x̄₁ p 0 s₁² σ₁² μ
H1: Select an answer μ(d) μ₁ x̄₁ x̄₂ p μ μ₂ σ₂² s₂² ? ≥ > < = ≠ ≤ Select an answer σ₁² μ₂ x̄₂ s₁² p μ₁ μ x̄₁ 0
Original Claim = Select an answer H₁ H₀
df =
Based on the hypotheses, find the following:
Test Statistic = (Round to three decimal places.)
Critical value(s) = ±± (Round to three decimal places.)
p-value = (Round to four decimal places.)
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