You are the product manager for Carls ice cream. The company president asked you to determine if Carls ice cream has equal sales as Ole ice cream, which is a strong competitor. The table below contains weekly sales for competing brands for randomly selected 4 approximately equal size stores that did not follow a normal distribution.

(Use two digits after deimal point)

Carl's Sales	Ole Sales
1500	2000
1700	2500
1800	2500
1700	2300

a. Is there a difference between mean sales at =5%?

H₀: AnswerMean sales are equalMean sales are not equal

H₁: AnswerMean sales are equalMean sales are not equal

Since test statistic = Answer is Answerlargersmaller than critical value = Answer, we Answerreject H0do not reject H0 and Answeraccept H1do not accept H1. Therefore mean sales are Answerassumed to be equalnot equal.

b. Can it be concluded at 5% significance level that the population median sales for Carl's ice cream exceeds 1600?

H₀: AnswerMedian = 1600Median 1600Median 1600

H₁: AnswerMedian 1600Median > 1600Median < 1600

test statistic = Answer

Since =0.05 is Answerlargersmaller than the p-value = Answer, we Answerreject H0do not reject H0 and Answeraccept H1do not accept H1. There is Answersufficientlinsufficient evidence to conclude that median sales for Carl's ice cream is Answerlarger thansmaller thanequal to 1600.