Q:

A marketing firm is studying consumer preferences for winter fashions in four different months. From a population of women, 18-21 years of age, a random sample of 100 women was selected in January. Another random sample of 100 women was selected in March. Another random sample of 100 women was selected in June. Another random sample of 100 women was selected in September. A) The sample size was 4. B) The sample size was 100. C) The sample size was 400. D) The sample size was 1.

Accepted Solution

A:
Answer:B) The sample size was 100Step-by-step explanation:Number of sample size in January = 100Number of sample size in March   = 100Number of sample size in June     = 100Number of sample size in  September = 100The average sample size for the study = (100 +100+100+100)/4                                                                   =  400/4                                                                 = 100So the average sample size for the study is 100 women between 18 to 21 years.