Home Runs Two random samples of professional baseball players were selected and the number of home runs hit were recorded. One sample was obtained from the National League, and the other sample was obtained from the American League. At =α0.05, is there a difference in the means? Use the critical value method with tables. Use μ1 for the mean number of home runs from the National League. Assume the variables are normally distributed and the variances are unequal. State the hypotheses and identify the claim with the correct hypothesis. H0: Claim or not a claim H1: Claim or not a claim Is this Hypothesis test a one-tailed or two-tailed test? Find the Critical Value(s): round to 3 decimal places Compute the test value: round to 3 decimal places z= Make the decision Summarize the results National League American League 8 2 9 2 11 18 3 12 6 5 6 8 25 4 24 9
Home Runs Two random samples of professional baseball players were selected and the number of home runs hit were recorded. One sample was obtained from the National League, and the other sample was obtained from the American League. At =α0.05, is there a difference in the means? Use the critical value method with tables.
Use μ1 for the mean number of home runs from the National League. Assume the variables are
State the hypotheses and identify the claim with the correct hypothesis.
H0: Claim or not a claim
H1: Claim or not a claim
Is this Hypothesis test a one-tailed or two-tailed test?
Find the Critical Value(s): round to 3 decimal places
Compute the test value: round to 3 decimal places z=
Make the decision
Summarize the results
| National League | American League | ||||||
|---|---|---|---|---|---|---|---|
|
8
|
2
|
9
|
2
|
11
|
18
|
3
|
12
|
|
6
|
5
|
6
|
8
|
25
|
4
|
24
|
9
|
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