Answer:
The average spent at his store is of $37.60.
The average spent at his competitor's store is of $48.53.
Step-by-step explanation:
Average of a data set:
The mean of a data set is the sum of all values divided by the number of values.
His store:
15 orders.
Prices of: 41, 38, 19, 30, 21, 53, 34, 34, 37, 29, 50, 43, 57, 28, 50
The average is:
![M = \frac{41 + 38 + 19 + 30 + 21 + 53 + 34 + 34 + 37 + 29 + 50 + 43 + 57 + 28 + 50}{15} = 37.6](https://tex.z-dn.net/?f=M%20%3D%20%5Cfrac%7B41%20%2B%2038%20%2B%2019%20%2B%2030%20%2B%2021%20%2B%2053%20%2B%2034%20%2B%2034%20%2B%2037%20%2B%2029%20%2B%2050%20%2B%2043%20%2B%2057%20%2B%2028%20%2B%2050%7D%7B15%7D%20%3D%2037.6)
The average spent at his store is of $37.60.
Store of the competitor:
15 orders
Prices of: 86, 15, 75, 40, 51, 60, 27, 45, 112, 7, 65, 31, 18, 27, 69
The average is:
![M = \frac{86 + 15 + 75 + 40 + 51 + 60 + 27 + 45 + 112 + 7 + 65 + 31 + 18 + 27 + 69}{15} = 48.53](https://tex.z-dn.net/?f=M%20%3D%20%5Cfrac%7B86%20%2B%2015%20%2B%2075%20%2B%2040%20%2B%2051%20%2B%2060%20%2B%2027%20%2B%2045%20%2B%20112%20%2B%207%20%2B%2065%20%2B%2031%20%2B%2018%20%2B%2027%20%2B%2069%7D%7B15%7D%20%3D%2048.53)
The average spent at his competitor's store is of $48.53.