Often, frequency distributions are reported using unequal class widths because temperature the thermostat is set to when someone is home for a random sample of 736 households. Determine the class midpoint, if necessary, for each class and approximate the mean and standard deviation temperature. E Click the icon to view the frequency distribution for the daytime household tempera ure frequencies of some groups would otherwise be small or very large. Consider the following data, which represent the daytime household Class Class Midpoint - X Frequency distribution 61-64 65-67 Temperature (°F) 61-64 65 67 68-69 70 71-72 73-76 77-80 68-69 Frequency O 33 69 192 70 71-72 196 119 81 46 73-76 77-80 (Round to one decimal place as needed.) The sample mean is (Round to one decimal place as needed.) Print Done The sample standard deviation is °F. (Round to one decimal place as needed.) Enter your answer in each of the answer boxes.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
icon
Concept explainers
Topic Video
Question
Often, frequency distributions are reported using unequal class widths because the frequencies of some groups would otherwise be small or very large. Consider the following data, which represent the daytime household
temperature the thermostat is set to when someone is home for a random sample of 736 households. Determine the class midpoint, if necessary, for each class and approximate the mean and standard deviation temperature.
E Click the icon to view the frequency distribution for the daytime household tempera ure.
Class
Class Midpoint
- X
Frequency distribution
61-64
65-67
Temperature (°F)
61-64
65 67
68 69
70
71-72
73-76
77-80
Frequency O
33
69
192
196
119
68-69
70
71-72
73-76
77-80
81
(Round to one decimal place as needed.)
46
The sample mean is°F.
(Round to one decimal place as needed.)
Print
Done
The sample standard deviation is °F.
(Round to one decimal place as needed.)
Enter your answer in each of the answer boxes.
Transcribed Image Text:Often, frequency distributions are reported using unequal class widths because the frequencies of some groups would otherwise be small or very large. Consider the following data, which represent the daytime household temperature the thermostat is set to when someone is home for a random sample of 736 households. Determine the class midpoint, if necessary, for each class and approximate the mean and standard deviation temperature. E Click the icon to view the frequency distribution for the daytime household tempera ure. Class Class Midpoint - X Frequency distribution 61-64 65-67 Temperature (°F) 61-64 65 67 68 69 70 71-72 73-76 77-80 Frequency O 33 69 192 196 119 68-69 70 71-72 73-76 77-80 81 (Round to one decimal place as needed.) 46 The sample mean is°F. (Round to one decimal place as needed.) Print Done The sample standard deviation is °F. (Round to one decimal place as needed.) Enter your answer in each of the answer boxes.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Centre, Spread, and Shape of a Distribution
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman