Calculate the test statistic. (X^2)Enter your answer rounded to three decimal places
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Calculate the test statistic. (X^2)Enter your answer rounded to three decimal places.
![The Monterey Bay Aquarium, founded in 1984, is situated on the beautiful coast of Monterey Bay in the historic Cannery
Row district. In 1985, the aquarium began a survey program that involved randomly sampling visitors as they exit for the
day. The survey included visitor demographic information, use of social media, and opinions on their aquarium visit. For
each visitor sampled during 2013-2015, the table contains the distribution of the number of children in their group.
Year
Number of children
2013
2014 2015
1855
1751
1998
1
585
636
591
2
599
601
483
3 or more
515
506
289](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F060fdeba-f711-4f79-8cf5-45a731455e17%2Ff377cc4c-674e-4d66-a6e4-ebe274cba4f2%2F4h81l_processed.png&w=3840&q=75)
Transcribed Image Text:The Monterey Bay Aquarium, founded in 1984, is situated on the beautiful coast of Monterey Bay in the historic Cannery
Row district. In 1985, the aquarium began a survey program that involved randomly sampling visitors as they exit for the
day. The survey included visitor demographic information, use of social media, and opinions on their aquarium visit. For
each visitor sampled during 2013-2015, the table contains the distribution of the number of children in their group.
Year
Number of children
2013
2014 2015
1855
1751
1998
1
585
636
591
2
599
601
483
3 or more
515
506
289
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
From provided information, the aquarium began a survey program that involved randomly sampling visitors as they exit for the day. For each sampled during 2013-2015, the table for distribution of numbers of children in their group is:
Number of |
|
|
|
Children |
2013 |
2014 |
2015 |
0 |
1855 |
1751 |
1998 |
1 |
585 |
636 |
591 |
2 |
599 |
601 |
483 |
3 or more |
515 |
506 |
289 |
The chi-square test statistic can be calculated as:
Where, oi is observed frequency and ei is expected frequency
ei can be calculated as:
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