Question

The mean price of a new laptop computer from Store #1 is $569.99, and they sell 5 brands of computers. The mean price of a new laptop from another store is $629.99, and Store #2 sells 3 brands. What is the weighted mean average of a new laptop computer?

Answer 1

1. Since store # 1 sold 5 computers multiply the mean price by 5
2. Store # 2 sold 3 comp., so multiply their mean price by 3
3. Add the result found in (1) and (2)
4. Since there was a total of 8 computers sold, divide this sum by 8

Answer 2

thanks for the help

Answer 3

No problem