TABLE 12-16
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. 
-Referring to Table 12-16,the sporting goods retailer decided to perform a Kruskal-Wallis test even though the sample size in each of the 4 groups is not larger than 5.The null hypothesis of the test is ________.
Definitions:
Great Violence
Intense or extreme physical force used to harm others or cause destruction, often associated with aggression or conflict.
Outgroup Homogeneity Bias
Outgroup Homogeneity Bias is the tendency to view individuals from outside one’s own group as more similar to each other than those within the group, leading to stereotypical thinking.
Group Attribution Error
The tendency to make broad stereotypical judgments about a group based on the actions of a few individuals within that group.
Ultimate Attribution Error
A bias in which negative behaviors by out-group members are attributed to their character, while similar actions by in-group members are attributed to situational factors.
Q14: Referring to Table 13-10, the p-value of
Q28: If a researcher accepts a true null
Q28: Referring to Table 10-10, if you want
Q32: You should report only the results of
Q94: It is desired to estimate the average
Q101: Referring to Table 10-11, the company tests
Q121: The Wall Street Journal recently ran an
Q152: Referring to Table 10-8, the decision rule
Q155: Referring to Table 14-8, the p-value of
Q188: Referring to Table 10-10, construct a 90%