# Question: Calculate the mean dollar amount and the standard deviation for

Calculate the mean dollar amount and the standard deviation for the dollar amounts charged to a Visa account at Florin's Flower Shop. Data are stored in the data file Florin.

**View Solution:**## Answer to relevant Questions

Consider the following sample of five values and corresponding weights: xi wi 4.6 .......... 8 3.2 .......... 3 5.4 .......... 6 2.6 .......... 2 5.2 .......... 5 a. Calculate the arithmetic mean of the xi ...A random sample of 50 personal property insurance policies showed the following number of claims over the past 2 years. a. Find the mean number of claims per policy. b. Find the sample variance and standard deviation. Following is a random sample of price per piece of plywood, X, and quantity sold, Y (in thousands): Price per Piece (x) Thousands of Pieces Sold (y) $6 ............... 80 7 ............... 60 8 ...A major airport recently hired consultant John Cadariu to study the problem of air traffic delays. He recorded the number of minutes planes were late for a sample of flights in the following table: a. Estimate the mean ...Tires of a particular brand have a lifetime mean of 29,000 miles and a standard deviation of 3,000 miles. a. It can be guaranteed that 75% of the lifetimes of tires of this brand will be in what interval? b. Using the ...Post your question