Race time X-H in hours For For X2 For X3 Write the values in each of the blanks above (note-for i, use the same order as values given in the problem), What is the value of the numerator 2 0-H)"? Write the value here Now calculate the denominator n-1. The value is and the standard deviation Finally, calculate the variance
Race time X-H in hours For For X2 For X3 Write the values in each of the blanks above (note-for i, use the same order as values given in the problem), What is the value of the numerator 2 0-H)"? Write the value here Now calculate the denominator n-1. The value is and the standard deviation Finally, calculate the variance
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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
Transcribed Image Text:Vivian surveyed 3 of her classmates to find out the amount of time they spend on the cell phone on the weekend. The hours spent were 2. 7hr, 5.1 hr, and 4.2 hr, with the mean of 4 hours.
Calculate the standard deviation using the following formula for variance:
%3D
n-1
Note: All the letters highlighted in blue need to be filled in with your answers. All values must be rounded to the nearest tenth (eg. 3.0, not 3 nor 3.02)
Race
time X,-
(X-)
in
hours
For
For
X2
For
X3
Write the values in each of the blanks above (note-for i, use the same order as values given in the problem).
What is the value of the numerator 2X- H)*? Write the value here
Now calculate the denominator n-1. The value is
and the standard deviation
Finally, calculate the variance
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