The listing price of a random sample of two-year-old Honda Civics was obtained for four cities in the United States. The data are summarized in the table below. Assume that prices of two-year-old Honda Civics are normally distributed.
|
Chicago
|
Los Angeles
|
New York
|
Honolulu
|
|
$18,995
|
$22,995
|
$17,997
|
$19,300
|
|
$18,495
|
$17,000
|
$14,500
|
$23,950
|
|
$13,999
|
$18,982
|
$17,990
|
$23,595
|
|
$16,995
|
$18,990
|
$16,800
|
$19,925
|
|
$17,850
|
$19,988
|
$15,995
|
|
|
$19,995
|
$21,595
|
|
|
1. Write the null and alternative hypotheses.
2. Find the F-test statistic.
3. Use the following output to test the hypothesis of equal means at the ? = 0.05 level of significance.