Question: Estimating a Mean: Consider the frequency distribution for20test scores (it was a difficult exam).Score Frequency 6064 8 6569 4 7074 2 7579 3 8084 3

Estimating a Mean:Consider the frequency distribution for20test scores (it was a difficult exam).Score Frequency

6064 8

6569 4

7074 2

7579 3

8084 3

(a) The class midpoint for thethirdclass is.

(b) The class midpoint for thefourthclass is

.

(c) Use the frequency table to estimate the mean score.Round your answer to 1 decimal place.

x=

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