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 distribution of the number of children in their group is given. Year Number of Children 2013 2014 2015 00 18551855 17511751 19981998 11 585585 636636 591591 22 599599 601601 483483 3 or more3 or more 515515 506506 289289 To access the complete data set, click the link for your preferred software format: CSV Excel JMP Mac-Text Minitab14-18 Minitab18+ PC-Text R SPSS TI CrunchIt! In this exercise, we will answer the question of whether there a significant difference in the distribution of the number of children in the group over this three‑year period, and if so, how the distribution has changed. © Macmillan Learning SOLVE: Calculate the test statistic for the chi-square test of homogeneity. Give your answer to three decimal places. ?2=�2=
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 distribution of the number of children in their group is given.
| Year | |||
| Number of Children | 2013 | 2014 | 2015 |
| 00 | 18551855 | 17511751 | 19981998 |
| 11 | 585585 | 636636 | 591591 |
| 22 | 599599 | 601601 | 483483 |
| 3 or more3 or more | 515515 | 506506 | 289289 |
To access the complete data set, click the link for your preferred software format:
CSV Excel JMP Mac-Text Minitab14-18 Minitab18+ PC-Text R SPSS TI CrunchIt!
In this exercise, we will answer the question of whether there a significant difference in the distribution of the number of children in the group over this three‑year period, and if so, how the distribution has changed.
SOLVE: Calculate the test statistic for the chi-square test of homogeneity. Give your answer to three decimal places.
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