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Posted: **Mon Nov 15, 2021 10:42 am**

: The Histogram Shows The Reviewer Ratings On A Scale From 1 Lowest To 5 Highest Of A Recently Published Book A Fin 1 (28.08 KiB) Viewed 228 times

: The Histogram Shows The Reviewer Ratings On A Scale From 1 Lowest To 5 Highest Of A Recently Published Book A Fin 2 (39.51 KiB) Viewed 228 times

The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book. (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results. R. (a) The mean is 3.99 (Type an integer or a decimal. Do not round.) The variance is (Round to two decimal places as needed.)

Reviewer Ratings 0.434 0.247 Probability 0.5- 0.4) 0.34 0.24 2 0.14 0.022 0.0- 0.216 0.081 2 4 on- 5 3 Rating