In a recent study, the average number of times a person checks their phone every day is 96, with a median of 90 and a mode of 80, with a variance of 348.2 and a range of 269.Discuss the shape of the distribution of phone checking.Discuss the dispersion of this variable.Calculate/report the standard deviation for phone checking.If someone checks their phone 125 times, what is associated Z score?If someone checks their phone 68 times, what is the Z score?If your friend reports a Z score of 2.2, what is their raw score/checking number of times?

Given Average=mean=96, median=90, mode=80 Variance=348.2 and range=269. We want 1) Shape of…

Answered: In a recent study, the average number…

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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In a recent study, the average number of times a person checks their phone every day is 96, with a median of 90 and a mode of 80, with a variance of 348.2 and a range of 269.

Discuss the shape of the distribution of phone checking.
Discuss the dispersion of this variable.
Calculate/report the standard deviation for phone checking.
If someone checks their phone 125 times, what is associated Z score?
If someone checks their phone 68 times, what is the Z score?
If your friend reports a Z score of 2.2, what is their raw score/checking number of times?

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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