data represents the murder rate per 100,000 individuals in a sample of selected cities in the United States. Find the variance and standard deviation. Round your answer to at least one decimal place. class limit Frequency 5-11 8 12-18 6 19-25 10 26-32 1 33-39 1 40-46 3
data represents the murder rate per 100,000 individuals in a sample of selected cities in the United States. Find the variance and standard deviation. Round your answer to at least one decimal place. class limit Frequency 5-11 8 12-18 6 19-25 10 26-32 1 33-39 1 40-46 3
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
The data represents the murder rate per 100,000 individuals in a sample of selected cities in the United States. Find the variance and standard deviation. Round your answer to at least one decimal place.
class limit Frequency
5-11 8
12-18 6
19-25 10
26-32 1
33-39 1
40-46 3
Expert Solution
Step 1
class | f | x | f*x | f*x2 |
5-11 | 8 | 8 | 64 | 512 |
12-18 | 6 | 15 | 90 | 1350 |
19-25 | 10 | 22 | 220 | 4850 |
26-32 | 1 | 29 | 29 | 841 |
33-39 | 1 | 36 | 36 | 1296 |
40-46 | 3 | 43 | 129 | 5547 |
total | n=29 | 568 | 14386 |
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