Question

A study compares the effect of four 1-month point-of-purchase promotions on sales. The unit sales for five stores using all four promotions in different months

follow

Free sample 78 87 81 89 85

One-pack gift 9491 87 90 88 73 78 69 83 76

Cents off

Refund by mall

7983 78 69 81

() compare the mean unit sales for each promotion and then determine the

mean.

grand

(10) Estimate the population variance using the between column variance. (W) Estimate the population variance using the with-in column variance computed

from the variance within samples.

(W) Calculate the F ratio. At the 0.01 level of significance, do the promotions

produce different effects on sales? (June 2011)​

Answer 1

Answer:

pp of the day of the day of the day of the day of the day of the day of the day

Explanation:

The ratio of the present age of Ram and Hari is 3:4. 5 years hence the ra of their age will be 4:5. Find their present age. The ratio of the present age of mother and daughter is 3:1. Six years ago, thThe ratio of the present age of Ram and Hari is 3:4. 5 years hence the ra of their age will be 4:5. Find their present age. The ratio of the present age of mother and daughter is 3:1. Six years ago, thThe ratio of the present age of Ram and Hari is 3:4. 5 years hence the ra of their age will be 4:5. Find their present age. The ratio of the present age of mother and daughter is 3:1. Six years ago, th

Answer 2

annova one way or two way