Question

You are hired by a sales company to research which advertising techniques are most effective in selling cars. In El Cajon they are using radio ads, in Mira Mesa they are using posters, in Chula Vista they are using TV ads, and in Mission Beach they are using Facebook.

Conduct a one-way ANOVA to determine if there are significant differences in the mean number of cars sold using the different ad techniques.

Radio	Posters	TV	Facebook
3	5	8	8
3	3	5	9
4	5	8	7
6	7	9	10
6	8	8	10
8	8	10	10

Answer 1

H17 1 Radio Posters TvFacebook ANOVA Source of Variation SS Between Groups 60 9 6.452 0.003 3.098 Within Groups 3.1 10 10 10 Total 122 23 10 The null and Alternative Hypothe Ho: The mean number of cars sold using different technique is same H1: The mean number of cars sold using different technique is different 10 Here, Using ANOVA, P value is less than 0.05. We reject the null hypothesis. 12 13 e is suffficient evidance that the there is significantly diffrenec between the mean number of cars sold using different technique 15