Question 11 The following data consists of the amount that a sample of 15 customers spent for lunch at a Not yet fast-food restaurant: answered Points out of 7.24 6.29 5.83 6.50 8.34 7.00 Flag 9.51 7.10 6.80 5.90 4.89 question 6.50 5.52 7.90 8.30 9.60 At 0.01 level of significance, is there evidence that the mean amount spent for lunch is different from $6.50? Answer: Let / be the amount the customers spent for lunch. Hypotheses: Ho: M Ha: M 4 Test Statistics (Round to 3 decimal places): Critical Value (Round to 3 decimal places): Decision