please help! ive trued this 5 times and cannot figure out what im doing wrong!! thank you

Problem 7-05 The following are the historic returns for the Chelle Computer Company Year Chelle Computer 1 34 A-Z General Index 16 6 2 12 11 -9 3 16 -11 4 9 12 5 12 5 11 6 Based on this information, compute the following: a. The correlation coefficient between Chelle Computer and the General Index. Do not round intermediate calculations. Round your answer to two decimal places b. The standard deviation for the company and the index. Do not round intermediate calculations. Round your answers to four decimal places. Chelle Computer: General Index: % c. The beta for the Chelle Computer Company. Do not round intermediate calculations. Round your answer to four decimal places