Homework Help is Here – Start Your Trial Now!
Math
Statistics
A real estate company is analyzing the selling prices of residential homes in a given community. 140 homes that have been sold in the past month are randomly selected and their selling prices are recorded. The statistician working on the project has stated that in order to perform various statistical tests, the data must be distributed according to a normal distribution. In order to determine whether the selling prices of homes included in the random sample are normally distributed, the statistician divides the data into 6 classes of equal size and records the number of observations in each class. She then performs a chi-square goodness-of-fit test for normal distribution. The results are summarized in the following table. Goodness-of-Fit Test Observed Expected O-E (0-E)?/E % of chi-square 10 3.192 6.808 14.520 64.81 23 19.026 3.974 0.830 3.70 37 47.782 -10.782 2.433 10.86 40 47.782 -7.782 1.267 5.66 27 19.026 7.974 3.342 14.92 3 3.192 -0.192 0.012 0.05 140 140.000 0.000 22.404 100.00 22.40 | chi-square p-value .0001 What is the appropriate null hypothesis? O Ho: The residential home selling prices are distributed according to a normal distribution. O Ho: The residential home selling prices are not distributed according to a normal distribution. O Ho: The distribution of residential home selling prices is either right or left skewed. O Ho: The distribution of the residential home selling prices is symmetric. None of the other answers is correct.

A real estate company is analyzing the selling prices of residential homes in a given community. 140 homes that have been sold in the past month are randomly selected and their selling prices are recorded. The statistician working on the project has stated that in order to perform various statistical tests, the data must be distributed according to a normal distribution. In order to determine whether the selling prices of homes included in the random sample are normally distributed, the statistician divides the data into 6 classes of equal size and records the number of observations in each class. She then performs a chi-square goodness-of-fit test for normal distribution. The results are summarized in the following table. Goodness-of-Fit Test Observed Expected O-E (0-E)?/E % of chi-square 10 3.192 6.808 14.520 64.81 23 19.026 3.974 0.830 3.70 37 47.782 -10.782 2.433 10.86 40 47.782 -7.782 1.267 5.66 27 19.026 7.974 3.342 14.92 3 3.192 -0.192 0.012 0.05 140 140.000 0.000 22.404 100.00 22.40 | chi-square p-value .0001 What is the appropriate null hypothesis? O Ho: The residential home selling prices are distributed according to a normal distribution. O Ho: The residential home selling prices are not distributed according to a normal distribution. O Ho: The distribution of residential home selling prices is either right or left skewed. O Ho: The distribution of the residential home selling prices is symmetric. None of the other answers is correct.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
A real estate company is analyzing the selling prices of residential homes in a given community. 140 homes that have been sold in the past month are randomly selected and their selling prices are recorded. The statistician working on the project has stated that in order to perform various statistical tests, the data must be distributed according to a normal distribution. In order to determine whether the selling prices of homes included in the random sample are normally distributed, the statistician divides the data into 6 classes of equal size and records the number of observations in each class. She then performs a chi-square goodness-of-fit test for normal distribution. The results are summarized in the following table. Goodness-of-Fit Test Observed Expected O-E (0-E)?/E % of chi-square 10 3.192 6.808 14.520 64.81 23 19.026 3.974 0.830 3.70 37 47.782 -10.782 2.433 10.86 40 47.782 -7.782 1.267 5.66 27 19.026 7.974 3.342 14.92 3 3.192 -0.192 0.012 0.05 140 140.000 0.000 22.404 100.00 22.40 | chi-square p-value .0001 What is the appropriate null hypothesis? O Ho: The residential home selling prices are distributed according to a normal distribution. O Ho: The residential home selling prices are not distributed according to a normal distribution. O Ho: The distribution of residential home selling prices is either right or left skewed. O Ho: The distribution of the residential home selling prices is symmetric. None of the other answers is correct.
Transcribed Image Text:A real estate company is analyzing the selling prices of residential homes in a given community. 140 homes that have been sold in the past month are randomly selected and their selling prices are recorded. The statistician working on the project has stated that in order to perform various statistical tests, the data must be distributed according to a normal distribution. In order to determine whether the selling prices of homes included in the random sample are normally distributed, the statistician divides the data into 6 classes of equal size and records the number of observations in each class. She then performs a chi-square goodness-of-fit test for normal distribution. The results are summarized in the following table. Goodness-of-Fit Test Observed Expected O-E (0-E)?/E % of chi-square 10 3.192 6.808 14.520 64.81 23 19.026 3.974 0.830 3.70 37 47.782 -10.782 2.433 10.86 40 47.782 -7.782 1.267 5.66 27 19.026 7.974 3.342 14.92 3 3.192 -0.192 0.012 0.05 140 140.000 0.000 22.404 100.00 22.40 | chi-square p-value .0001 What is the appropriate null hypothesis? O Ho: The residential home selling prices are distributed according to a normal distribution. O Ho: The residential home selling prices are not distributed according to a normal distribution. O Ho: The distribution of residential home selling prices is either right or left skewed. O Ho: The distribution of the residential home selling prices is symmetric. None of the other answers is correct.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
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
SEE MORE TEXTBOOKS