At a nationwide online seller, a database is queried to determine the number of sales of a certain computer product over the previous 50 weeks in Peoria, Illinois. Here are the results:

144, 254, 313, 59, 265, 270, 190, 193, 191, 167, 198, 159, 176, 238, 304, 225, 195, 166, 171, 412, 243, 197, 200, 267, 182, 126, 276, 157, 232, 164, 315, 198, 181, 196, 112, 147, 72, 134, 211, 199, 340, 154, 170, 212, 159, 161, 151, 140, 194, 196

1. Produce a 90%, 95%, and 99% confidence interval for this sample. You may, of course, use R for your calculations.