1 Consider 3 national brands of apple pie (A, B, C), and a store brand {D} sold at a local grocery store. Past records show brands A and C were equallyr preferred, 34% preferred brand B, and 30% preferred the store brand. D. The manager believes that there has been a change in customer preferences and that the preference for store-brand apple pie has increased and perhaps will positively contribute to increased prots. Find the value of the appropriate test statistic for testing the change in customer preferences from the past years. Brand A B c D Number 58 66 28 108 Type your numerical answer here. Numbers onfy PART 3 D 1 Consider the results for the rate of return (ror) for a random sample of 35 mutual funds over the previous 3-year (X) and 5-year {Y) periods. Given the 3-year rate of return of 3.50. what is the upper end point in a 99% prediction interval for the 5-year rate of return? Coemcienrs Standard Error Intercept 5.97928 0.34923 X 0.63594 0.06372 SSH = 461700274, MSE = 2.18009 Palms: 3 M1 Complete Polnts: 3