Please answer the following questions:

QUESTION 5 Which interval shows 95% of the data given a mean of 15 and a standard deviation of 3? Between and QUESTION 6 Mrs. Jones surveyed the class for the number of letters in their given rst name. The data is recorded below. (Consider this data a sample) {5, 8, 6, 5, 4, 9, 8, 7, 6, 3, 8, 7, 5, 6, 7, 8} a) Find two different measures of variation. Note: - If the value contains decimals please leave only two decimal places e.g. approximate 15.6666 to be 15.67 -Write the measure name and value e.g. Range = 5.77 Measure 1: Measure 2: b) Which measure of variation is more suitable for this data set? QUESTION 7 Which restaurant has a higher median wait time? Average Wait Times (min) Lucy's Steakhouse Gary's Grill 0 5 10 15 20 25 30 35 40 45 Oa. Lucy's Steakhouse Ob. Gary's Grill