TABLE 10-18 As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles. She took three 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 43 37 41 43 46 38 45 45 43 39 42 46 True or False: Referring to Table 10-18, the test is valid only if the population of speeds has the same variance for the four brands. Seleccione una: A. False B. True
TABLE 10-18 As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles. She took three 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 43 37 41 43 46 38 45 45 43 39 42 46 True or False: Referring to Table 10-18, the test is valid only if the population of speeds has the same variance for the four brands. Seleccione una: A. False B. True
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Transcribed Image Text:TABLE 10-18
As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of
bicycles. She took three 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
46
38
45
45
43
39
42
46
True or False: Referring to Table 10-18, the test is valid only if the population of speeds has the same variance for the four brands.
Seleccione una:
A. False
B. True
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