- 5 O C A Question 6 Assume That A Sample Is Used To Estimate The Mean Tip Earned By A Serving Staff At A Diner Find 1 (138.26 KiB) Viewed 34 times
5 "O c a... Question 6 Assume that a sample is used to estimate the mean tip earned by a serving staff at a diner. Find the margin of error M.E. that corresponds to a sample of size 23 servers with a mean of $98.31 and a standard deviation of $8.23 at a confidence level of 98%. Report ME accurate to one decimal place because the sample statistics are presented with this accuracy. M.E.= $ Tip: Try with the formula, but check your answer with the one - mean app Question Help: Message instructor 0/1 pt 399 Details Submit Question Question 7 0/1 pt 399 Details In a survey, 21 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $45 and standard deviation of $10. Find the margin of error at a 95% confidence level. $ Give 4 your answer to two decimal places (cost/money is usually rounded 2 decimals).