Top Posters
Since Sunday
New Topic  
lovepink1122 lovepink1122
wrote...
Posts: 130
Rep: 0 0
2 weeks ago
Use the following to answer the questions below:

An insurance agent is interested in knowing if car crashes are more likely to occur on some days of the week than others. She selects a random sample of 250 insurance claims involving car crashes. Computer output from her chi-square test is provided.


Category
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Test
Observed
26
36
38
39
37
42
32

Proportion
0.142857
0.142857
0.142857
0.142857
0.142857
0.142857
0.142857

Expected
35.7143
35.7143
35.7143
35.7143
35.7143
35.7143
35.7143
Contribution
to Chi-Sq
 2.64229
0.00229
0.14629
 0.30229
0.04629
???????
0.38629
N
250
DF
6
Chi-Sq
4.632
P-Value
0.592


Is a chi-square test appropriate in this situation?

▸ Yes

▸ No
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
Authors:
Read 11 times
1 Reply
Replies
Answer verified by a subject expert
tk9790tk9790
wrote...
Posts: 134
Rep: 2 0
2 weeks ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

lovepink1122 Author
wrote...

2 weeks ago
Smart ... Thanks!
wrote...

Yesterday
Correct Slight Smile TY
wrote...

2 hours ago
this is exactly what I needed
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  797 People Browsing
Related Images
  
 842
  
 100
  
 97
Your Opinion
Who will win the 2024 president election?
Votes: 8
Closes: November 4