Data was collected for 160 randomly selected 10 minute intervals. For each ten-minute interval, the numberof people entering the atrium of a large mall were recorded. The data is summarized in the table below.Numberof GuestsFrequency100 - 10960110 11975120 - 129130 - 139140 - 14914What is the class width?Class width =

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Answered: Frequency of Guests 100 - 109 60 110…

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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Temperature (°F) 50-52 53-55 56-58 59-61 62-64 65-67 68-70 Frequency 1 3 5 11 7 7 1
A group of 18 subjects is given 2 minutes to construct as many words as possible from a set of scrambled letters. Each subject’s performance is listed below in terms of words correct: 6, 2, 4, 4, 7, 3, 6, 7, 7, 5, 6, 5, 6, 1, 5, 7, 6, 3 Compute the range Identify the Q1, Q2, and Q3 for this data Sketch the boxplot for this data Find the interquartile range (IQR) Compute the sample standard deviation Summarize your results in APA format
A1
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(a) What is the class width? nothing (Type an integer or a decimal.) emperature (°F) Frequency 45-49 1 50-54 3 55-59 5 60-64 11 65-69 7 70-74 7 75-79 1 (b) What are the class midpoints? Complete the table below. (Type integers or decimals.) Temperature (°F) Frequency Midpoint 45-49 1 nothing 50-54 3 nothing 55-59 5 nothing 60-64 11 nothing 65-69 7 nothing 70-74 7 nothing 75-79 1 nothing (c) What are the class boundaries? Complete the table below. (Type integers or decimals.) Temperature (°F) Frequency Class boundaries 45-49 1 nothing - nothing 50-54 3 nothing - nothing 55-59 5 nothing - nothing 60-64 11 nothing - nothing 65-69 7 nothing - nothing 70-74 7 nothing - nothing 75-79 1 nothing - nothing
What is the range? -2,140 -2,144 -2,142 -2,146 -2,142 -2,147
give set of data (n=20) 39, 45, 28, 31, 55, 61, 43, 64, 29, 34, 56, 48, 29, 33, 34, 45, 54, 61, 62, 30 form n=8 classes and group into classes find the frequency for each class

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Frequency of Guests 100 - 109 60 110 119 75 120 - 129 130 - 139 140 - 149 14 What is the class width?