The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book. Reviewer Ratings 0.5- 0.439 (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results. 0.4 0.3- 0.2 0.1- 0.020 0.0 0.243 0.213 0.085 1 2 3 4 Rating (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 ten (Round to two decimal places as needed.) eso (b) Interpret the results. Select all that apply. A. The average rating for the book is approximately 4 cces B. The average rating for the book is approximately 1. ucces C. Most of the ratings differ from the average rating by about 3 or 4 D. Most of the ratings differ from the average rating by about 1 or 2 ia Libr Optio ? Click to select your answer(s). ons Tools 11:59pm T NOV *tv W MacBook Pro Probability 5

The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book. Reviewer Ratings 0.5- 0.439 (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results. 0.4 0.3- 0.2 0.1- 0.020 0.0 0.243 0.213 0.085 1 2 3 4 Rating (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 ten (Round to two decimal places as needed.) eso (b) Interpret the results. Select all that apply. A. The average rating for the book is approximately 4 cces B. The average rating for the book is approximately 1. ucces C. Most of the ratings differ from the average rating by about 3 or 4 D. Most of the ratings differ from the average rating by about 1 or 2 ia Libr Optio ? Click to select your answer(s). ons Tools 11:59pm T NOV *tv W MacBook Pro Probability 5

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently published book.
Reviewer Ratings
0.5-
0.439
(a) Find the mean, variance, and standard deviation of the probability distribution.
(b) Interpret the results.
0.4
0.3-
0.2
0.1- 0.020
0.0
0.243
0.213
0.085
1
2
3
4
Rating
(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
ten
(Round to two decimal places as needed.)
eso
(b) Interpret the results. Select all that apply.
A. The average rating for the book is approximately 4
cces
B. The average rating for the book is approximately 1.
ucces
C. Most of the ratings differ from the average rating by about 3 or 4
D. Most of the ratings differ from the average rating by about 1 or 2
ia Libr
Optio
?
Click to select your answer(s).
ons
Tools
11:59pm
T
NOV
*tv
W
MacBook Pro
Probability
5

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Follow-up Question

The histogram shows the reviewer ratings on a scale from 1(lowest) to 5(highest) of a recently published book. Find the mean, variance, and standard deviation of the probability distribution.

Probability
Reviewer Ratings
0.5-
0.4
0.3-
0.2-
0.1 0.021
0.0
0.085
2
0.218 0.245
3
Rating
0.431
5
Q
ON

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