The three major automobile manufacturers have entered their cars in the Indianapolis 500 race.The speeds of the tested cars are given below.
At = .05,test to see if there is a significant difference in the average speeds of the cars of the auto manufacturers.Use both the critical and p-value approaches.
Definitions:
Q8: Refer to Exhibit 12-5.With a .05 level
Q12: Refer to Exhibit 17-2.The price relative for
Q26: In order to compare the life
Q32: Refer to Exhibit 16-4.The p-value for testing
Q47: For a one-tailed test (upper tail)at 93.7%
Q54: If the coefficient of correlation is a
Q71: Refer to Exhibit 14-7.The least squares estimate
Q89: Refer to Exhibit 15-6.The t value obtained
Q123: For a one-tailed test (upper tail),a sample
Q129: Refer to Exhibit 9-1.The test statistic is<br>A)2.3<br>B)0.38<br>C)-2.3<br>D)-0.38