The table showing the stock price changes for a sample of 12 companies on a day is contained in the Excel Online le below. Construct a spreadsheet to answer the following questions. i Hittl Open spreadsheet a. Compute the sample variance for the daily price change (to 4 decimals). H b. Compute the sample standard deviation for the price change (to 4 decimals). H c. Provide 95% condence interval estimates of the population variance (to 4 decimals). Eds: d. Provide 95% confidence interval estimates of the population standard deviation (to 4 decimals). E9153 Reset Problem \f