hello can you help me answer these questions 1&2 that I have sent to you in a png file below

C. A supermarket manager is interested to determine the average amount saved by customers who purchased items on special. He randomly selects 8 customers and calculates the savings for each customer. The data he collected is listed below. 7.36 14.31 10.75 8.19 7.59 4.9 6.5 19.61 Assume that customer savings are normally distributed. (i) Determine the sample mean and sample standard deviation of the data above.. (ii) Construct a 95% confidence interval for the mean amount saved