Fifteen people were asked to indicate their preference for domestic versus imported cars. The following data showed their preferences. With $\alpha$ = 0.05, test for a significant difference in the preferences for cars. A "+" indicates a preference for imported cars.

Question

Fifteen people were asked to indicate their preference for domestic versus imported cars. The following data showed their preferences.  With $\alpha$ = 0.05, test for a significant difference in the preferences for cars. A "+" indicates a preference for imported cars.

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The Answer of Fifteen people were asked to indicate their preference for domestic versus imported cars. The following data showed their preferences.  With $\alpha$ = 0.05, test for a significant difference in the preferences for cars. A "+" indicates a preference for imported cars.

Fifteen People Were Asked to Indicate Their Preference for Domestic α\alphaα

Fifteen People Were Asked to Indicate Their Preference for Domestic $\alpha$