The Histogram Shows The Reviewer Ratings On A Scale From 1 Lowest To 5 Highest Of A Recently Published Book A Fin 1 (29.73 KiB) Viewed 53 times
The Histogram Shows The Reviewer Ratings On A Scale From 1 Lowest To 5 Highest Of A Recently Published Book A Fin 2 (16.24 KiB) Viewed 53 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. (a) The mean is (Type an integer or a decimal. Do not round.) The variance is (Round to two decimal places as needed.). The standard deviation is (Round to two decimal places as needed.) (b) Interpret the results. Select all that apply. A. The average rating for the book is approximately 1. B. The typical rating deviates from the mean by about 1. Cc. The average rating for the book is approximately 4. D. The typical rating deviates from the mean by about 4.
Probability 0.5 0.4 0.3 0.2 0.1 0.021 0.0 Reviewer Ratings 0.078 0.215 0.244 Rating 0.442 -50 Q Q 5
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