A random sample of 33 professional baseball salaries from 1985 through 2015 was selected. The league of the player (American or National) was also recorded. Salary (in thousands of dollars) and league are shown in the accompanying table. Test the hypothesis that there is a difference in the mean salary of players in each league. Assume the distributions are Normal enough to use the t-test. Use a significance level of 0.05. Determine the hypotheses for this test. Let µå be the population mean salary of players in the American League and let Hn be the population mean salary of players in the National League. Choose the correct answer below. A. Ho: Han Hai Ha n D. Ho: Ha = n Ha: Han Find the test statistic for this test. B. Ho: Pa = Hn Ha: Han E. Ho: Ha = n Ha: Pa

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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A random sample of 33 professional baseball salaries from 1985 through 2015 was selected. The league of the player
(American or National) was also recorded. Salary (in thousands of dollars) and league are shown in the accompanying
table. Test the hypothesis that there is a difference in the mean salary of players in each league. Assume the
distributions are Normal enough to use the t-test. Use a significance level of 0.05.
Determine the hypotheses for this test. Let µå be the population mean salary of players in the American League and let
μn be the population mean salary of players in the National League. Choose the correct answer below.
A. Ho: Han
Hai Ha un
D. Ho: Han
Ha: Pan
Find the test statistic for this test.
B. Ho: Han
Hai Ha Ahn
E. Ho: Ha = Hn
Ha: Ha <n
t= (Round to two decimal places as needed.)
C. Ho: Ha n
Ha: Ha = n
F. Ho: Ha <n
Ha: Pa = n
Transcribed Image Text:A random sample of 33 professional baseball salaries from 1985 through 2015 was selected. The league of the player (American or National) was also recorded. Salary (in thousands of dollars) and league are shown in the accompanying table. Test the hypothesis that there is a difference in the mean salary of players in each league. Assume the distributions are Normal enough to use the t-test. Use a significance level of 0.05. Determine the hypotheses for this test. Let µå be the population mean salary of players in the American League and let μn be the population mean salary of players in the National League. Choose the correct answer below. A. Ho: Han Hai Ha un D. Ho: Han Ha: Pan Find the test statistic for this test. B. Ho: Han Hai Ha Ahn E. Ho: Ha = Hn Ha: Ha <n t= (Round to two decimal places as needed.) C. Ho: Ha n Ha: Ha = n F. Ho: Ha <n Ha: Pa = n
League
National
Salary
320
American 581.3
National
225
American
121
American
915
American 272.5
American
1000
National
1260
National
640
American
115
National
321.7
National
751.3
National
60
American 177.5
American 747.5
National
920
National
117.5
Full Data Set
Salary
580
75
833.3
250
110
300
550
140
970
350
225
American
160
American
650
National
255
American
800
American 477.5
League
American
National
National
National
National
National
National
American
National
National
National
Transcribed Image Text:League National Salary 320 American 581.3 National 225 American 121 American 915 American 272.5 American 1000 National 1260 National 640 American 115 National 321.7 National 751.3 National 60 American 177.5 American 747.5 National 920 National 117.5 Full Data Set Salary 580 75 833.3 250 110 300 550 140 970 350 225 American 160 American 650 National 255 American 800 American 477.5 League American National National National National National National American National National National
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