Question

What is the mean price per quart for each of the three stores?

Store #1: $4.82
Store #2: $6.38
Store #3: $8.24

What is the weighted mean price per quart for all the stores together?

Weighted mean: __________


How would you calculate the weighted mean? I found the means of the stores myself. That's easy enough. I'm just unsure of finding the weighted mean.

Answer 1

mean = average
\[average = \frac{a_1 + a_2 + a_3 + ... + a_n}{n}\]
\[= \frac{4.82 + 6.38 + 8.24}{3} = ?\]

Answer 2

All I have to do is find the average of the means I already have? 6.48

Answer 3

Correct!

Answer 4

You're awesome! Thanks!(:

Answer 5

No problemo.