Question list 0 0 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 I The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published 05 book. ,3 0.4 E 0.3 (a) Find the mean, variance, and standard deviation of (3 0.2 the probability distribution. '1 3-2) (b) Interpret the results. (a) The mean is E. (Type an integer or a decimal. Do not round.) The variance is El. (Round to two decimal places as needed.) The standard deviation is '1. (Round to two decimal places as needed.) (b) Interpret the results. Select all that apply. . The typical rating deviates from the mean by about 1. . The typical rating deviates from the mean by about 4. . The average rating for the book is approximately 1. . The average rating for the book is approximately 4. Reviewer Ratings 0.218 0.245