Need help with these 2 problems!

Question 6 (1 point) Suppose that the average and standard deviation of scores on a statistics exam were 78 and 9.38, respectively. As a curve, 6 is added to every observation in the dataset. What will the new mean be? ( 1) 78 ( 2) 13 ( 3) 468 ( 4) 84 ( 5) 6 Question 7 (1 point) The manager of a local restaurant noticed an increase in sales recently due to a new promotion. Previously, the restaurant earned an average of $37,763.53 with standard deviation of $267.097 each month. In order to calculate the new predicted monthly sales, every observation in the dataset is multiplied by 1.082. Based on this information, what will the new standard deviation be? O.1) 40,860.14 2) 268.18 ( 3) 267.1 ( 4) 37,764.61 ( 5) 289