You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 364 cars as they pass by on the four lane freeway. The results are displayed in the table below. Use a level of significance of a = 0.10.

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

Please help with part A,C,D,F

You want to see if it makes a difference which lane to be in when
there is traffic. You randomly observe 364 cars as they pass by on
the four lane freeway. The results are displayed in the table
below. Use a level of significance of a = 0.10.
a. Complete the rest of the table by filling in the expected
frequencies:
Frequency of Cars in Each Lane
Outcome Frequency Expected Frequency
Lane 1
93
Lane 2
85
Lane 3
80
Lane 4
106
b. What is the correct statistical test to use?
Goodness-of-Fit
c. What are the null and alternative hypotheses?
Но:
The traffic and lanes are dependent.
The distribution of traffic is not uniform.
O The traffic and lanes are independent.
The distribution of traffic is uniform.
H1:
UThe traffic and lanes are independent.
OThe distribution of traffic is uniform.
The distribution of traffic is not uniform.
OThe traffic and lanes are dependent.
d. The degrees of freedom
e. The test-statistic for this data =
(Please show your
answer to 2 decimal places.)
f. The p-value for this sample
to 4 decimal places.)
(Please show your answer
=
Transcribed Image Text:You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 364 cars as they pass by on the four lane freeway. The results are displayed in the table below. Use a level of significance of a = 0.10. a. Complete the rest of the table by filling in the expected frequencies: Frequency of Cars in Each Lane Outcome Frequency Expected Frequency Lane 1 93 Lane 2 85 Lane 3 80 Lane 4 106 b. What is the correct statistical test to use? Goodness-of-Fit c. What are the null and alternative hypotheses? Но: The traffic and lanes are dependent. The distribution of traffic is not uniform. O The traffic and lanes are independent. The distribution of traffic is uniform. H1: UThe traffic and lanes are independent. OThe distribution of traffic is uniform. The distribution of traffic is not uniform. OThe traffic and lanes are dependent. d. The degrees of freedom e. The test-statistic for this data = (Please show your answer to 2 decimal places.) f. The p-value for this sample to 4 decimal places.) (Please show your answer =
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 2 images

Blurred answer
Knowledge Booster
Angles, Arcs, and Chords and Tangents
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.
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