Question

Q.19:-As part of an evaluation program, a sporting goods retailer wanted to
compare the downhill coasting speeds of 4 brands of bicycles. She took 3 of each
brand and determined their maximum downhill speeds. The results are presented in
miles per hour in the table below.
Trial Barth Tornado Reiser Shaw
1 43 37
41
43
2
46
38
45
45
SE
3
43
39
42
46
1
At 5% level of significance, test the null hypothesis that the mean downhill coasting
speeds of the 4 brands of bicycles are equal. What is the final answer?
Type I error
Sec
Data is insufficient
FI
Accept the null hypothesis
Do not accept the null hypothesis​

Answer 1

She took 3 of each brand and determined their maximum downhill speeds. ... miles per hour in the table below. ... retailer wanted tocompare the downhill coasting speeds of 4 brands of bicycles. She ...