The number of Car accidents on Al Kharj-Riyadh road , listed by days of the week as: Days SUN MON TUE WED THU No. of accidents 25 28 20 35 30 (Observed) Using x-test t; test the hypothesis that the Car accidents are not depend upon the days of the week at 5% level of significance. [ Given, x4), (.05)= 9.488]

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
Topic Video
Question
1.
The number of Car accidents on Al Kharj-Riyadh road , listed by days of the week as:
Days
SUN
MON
TUE
WED
THU
No. of accidents
25
28
20
35
30
(Observed)
Using x-test t; test the hypothesis that the Car accidents are not depend upon the days of the week at 5%
level of significance.
[ Given, x4), (.05)= 9.488]
2. The number of books borrowed from a Library of 5 days are given below :
Days
SUN
MON
TUE
WED
THU
Books borrowed
304
306
310
280
300
Using x-test ; test the hypothesis that the books borrowing are not depend upon the day of the week at
5% level of significance.
[ Given, x?4), (.05)= 9.488]|
Transcribed Image Text:1. The number of Car accidents on Al Kharj-Riyadh road , listed by days of the week as: Days SUN MON TUE WED THU No. of accidents 25 28 20 35 30 (Observed) Using x-test t; test the hypothesis that the Car accidents are not depend upon the days of the week at 5% level of significance. [ Given, x4), (.05)= 9.488] 2. The number of books borrowed from a Library of 5 days are given below : Days SUN MON TUE WED THU Books borrowed 304 306 310 280 300 Using x-test ; test the hypothesis that the books borrowing are not depend upon the day of the week at 5% level of significance. [ Given, x?4), (.05)= 9.488]|
3.
The following frequency distribution shows the number of times an outcome was observed from the toss of a
die. Based on the frequencies that were observed from 2400 tosses of the die, can it be concluded at the 0.05
level of significance that the die is fair?
Outcome
Frequency
1
352
2
418
3
434
4
480
5
341
375
4. A public opinion poll surveyed a simple random sample of 100 voters. Respondents were classified by gender
(male or female) and by voting preference (Republican or Independent). Results are shown in the contingency
table below.
Voting Preferences
Total
Republican
Independent
Male
63
25
Female
55
27
Total
Using Chi- Square test; test the hypothesis at 5% significance level that the men's voting preferences
differ significantly from the women's preferences.
[ Given, x?1), (.05)= 3.841]
Transcribed Image Text:3. The following frequency distribution shows the number of times an outcome was observed from the toss of a die. Based on the frequencies that were observed from 2400 tosses of the die, can it be concluded at the 0.05 level of significance that the die is fair? Outcome Frequency 1 352 2 418 3 434 4 480 5 341 375 4. A public opinion poll surveyed a simple random sample of 100 voters. Respondents were classified by gender (male or female) and by voting preference (Republican or Independent). Results are shown in the contingency table below. Voting Preferences Total Republican Independent Male 63 25 Female 55 27 Total Using Chi- Square test; test the hypothesis at 5% significance level that the men's voting preferences differ significantly from the women's preferences. [ Given, x?1), (.05)= 3.841]
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
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