The National Football League (NFL) holds its annual draft of the nation's best college football players in April each year. Prior to the draft, various sporting news services project the players who will be drafted along with the order in which each will be selected in what are called mock drafts. Players who are considered to have superior potential as professional football players are selected earlier in the draft. Suppose the following table shows projections by one mock draft service of what position in the first round players from the Atlantic Coast Conference, the Big Ten Conference, the PAC-12 Conference, and the Southeastern Conference will be selected.
ACC | Big Ten | PAC-12 | SEC | ||||
---|---|---|---|---|---|---|---|
College Attended |
Projected Draft Position |
College Attended |
Projected Draft Position |
College Attended |
Projected Draft Position |
College Attended |
Projected Draft Position |
Florida State | 2 | Iowa | 9 | USC | 4 | Florida | 1 |
Clemson | 5 | Michigan St | 10 | Oregon | 7 | Alabama | 3 |
Miami | 6 | Nebraska | 11 | Oregon | 15 | Kentucky | 8 |
Georgia Tech | 13 | Minnesota | 26 | Washington | 16 | Texas A&M | 12 |
Louisville | 17 | Wisconsin | 28 | UCLA | 18 | Missouri | 14 |
Wake Forest | 20 | UCLA | 21 | Alabama | 19 | ||
Florida State | 22 | Stanford | 23 | LSU | 25 | ||
Virginia Tech | 29 | Arizona St | 24 | LSU | 27 |
Use the Kruskal-Wallis test to determine if there is any difference among NFL teams for players from these four conferences. Use α = 0.05.
State the null and alternative hypotheses.
H0: MedianACC = MedianBig
Ten = MedianPAC-12 = MedianSEC
Ha: MedianACC > MedianBig
Ten < MedianPAC-12 >
MedianSECH0: MedianACC =
MedianBig Ten = MedianPAC-12 =
MedianSEC
Ha: MedianACC ≠ MedianBig
Ten ≠ MedianPAC-12 ≠
MedianSEC H0:
The populations for the mock draft positions of the four
conferences are identical.
Ha: The populations for the mock draft
positions of the four conferences are not all
identical.H0: MedianACC ≠
MedianBig Ten ≠ MedianPAC-12 ≠
MedianSEC
Ha: MedianACC = MedianBig
Ten = MedianPAC-12 =
MedianSECH0: The populations for the
mock draft positions of the four conferences are not all
identical.
Ha: The populations for the mock draft
positions of the four conferences are identical.
Find the value of the test statistic. (Round your answer to two decimal places.)
What is the p-value? (Round your answer to three decimal places.)
p-value =
What is your conclusion?
Do not reject H0. There is sufficient evidence to conclude that there is a significant difference among NFL teams for players from these four conferences.Reject H0. There is sufficient evidence to conclude that there is a significant difference among NFL teams for players from these four conferences. Reject H0. There is not sufficient evidence to conclude that there is a significant difference among NFL teams for players from these four conferences.Do not reject H0. There is not sufficient evidence to conclude that there is a significant difference among NFL teams for players from these four conferences.
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