A market researcher for an automobile company suspects differences in preferred

Question

A market researcher for an automobile company suspects differences in preferred color between male and female buyers. Advertisements targeted to different groups should take such differences into account, if they exist. The researcher examines the most recent sales information of a particular car that comes in three colors. Use Table 3.

A market researcher for an automobile company suspects differences in preferred color between male and female buyers. Advertisements targeted to different groups should take such differences into account, if they exist. The researcher examines the most recent sales information of a particular car that comes in three colors. Use Table 3.

Explanation / Answer

The statistical software output for this problem is:

Contingency table results:
Rows: Color
Columns: None

Chi-Square test:

Hence,

a) H0: Color preference is independent of gender; HA: Color preference is dependent on gender.

Option A is correct.

b) Critical value = 9.21

c) Test statistic = 10.42

Male Female Total Silver 460 295 755 Blck 543 299 842 Red 476 362 838 Total 1479 956 2435

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