Question

the amazon ratings below are for a 40 pound bag of dehydrated marshmallows based on 22 customer ratings

22 customer ratings
5 star
4 star
3 star
2 star
1 star

9 customers gave 5 stars
2 customers gave 4 stars
2 customers gave 3 stars
3 customers gave 2 stars
6 customers gave 1 star

find the mean rating. round your answer to one decimal place.
the mean rating for a 40 pound bag of dehydrated marshmallows is

Explanation:

Calculate the sum of all ratings

$$ \text{Sum} = (9 \times 5) + (2 \times 4) + (2 \times 3) + (3 \times 2) + (6 \times 1) $$

$$ \text{Sum} = 45 + 8 + 6 + 6 + 6 = 71 $$

Divide by the total number of ratings

$$ \text{Mean} = \frac{71}{22} \approx 3.22727 $$

Round to one decimal place

$$ \text{Mean} \approx 3.2 $$

Answer:

The MEAN rating for a 40 pound bag of Dehydrated Marshmallows is <blank>3.2</blank>