The numbers of medical coding errors on bills from 200 randomly selected hospitals were recorded and the results are given in the table below. Number of Errors 0 1 2 3 4 5 6 7 8 > 8 Frequency 5 12 31 40 38 29 22 14 5 4 Test the claim at the 5% significance level that a suitable model for these data is a Poisson distribution with a mean of 4.
The numbers of medical coding errors on bills from 200 randomly selected hospitals were recorded and the results are given in the table below. Number of Errors 0 1 2 3 4 5 6 7 8 > 8 Frequency 5 12 31 40 38 29 22 14 5 4 Test the claim at the 5% significance level that a suitable model for these data is a Poisson distribution with a mean of 4.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Question
The numbers of medical coding errors on bills from 200 randomly selected hospitals were recorded and the results are given in the table below.
|
Number of Errors |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
> 8 |
|
Frequency |
5 |
12 |
31 |
40 |
38 |
29 |
22 |
14 |
5 |
4 |
Test the claim at the 5% significance level that a suitable model for these data is a Poisson distribution with a mean of 4.
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