The management of the local zoo wants to know if all of their animal exhibits are equally popular. If there is significant evidence that some of the exhibits are not being visited frequently enough, then changes may need to take place within the zoo. A tally of visitors is taken for each of the following animals throughout the course of a week, and the results are contained in the following table. At a = 0.025, determine whether there is sufficient evidence to conclude that some exhibits are less popular than others. Animal Exhibits at the Zoo Elephants Lions/Tigers Giraffes Zebras Monkeys Birds Reptiles Number of 164 166 172 188 165 139 142 visitors Copy Data Step 3 of 4: Compute the value of the test statistic. Round any intermediate calculations to at least six decimal places, and round your final answer to three decimal places. Prev Next O Tables E Keypad Answer Keyboard Shortcuts x²

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The management of the local zoo wants to know if all of their animal exhibits are equally popular. If there is significant evidence that some of the
exhibits are not being visited frequently enough, then changes may need to take place within the zoo. A tally of visitors is taken for each of the
following animals throughout the course of a week, and the results are contained in the following table. At a = 0.025, determine whether there is
sufficient evidence to conclude that some exhibits are less popular than others.
Animal Exhibits at the Zoo
Elephants Lions/Tigers Giraffes
Zebras
Monkeys
Birds
Reptiles
Number
of
164
166
172
188
165
139
142
visitors
Copy Data
Step 3 of 4: Compute the value of the test statistic. Round any intermediate calculations to at least six decimal places, and round your final answer
to three decimal places.
Prev
Next
E Tables
E Keypad
Answer
Keyboard Shortcuts
© 2021 Hawkes Learning
SA
Transcribed Image Text:The management of the local zoo wants to know if all of their animal exhibits are equally popular. If there is significant evidence that some of the exhibits are not being visited frequently enough, then changes may need to take place within the zoo. A tally of visitors is taken for each of the following animals throughout the course of a week, and the results are contained in the following table. At a = 0.025, determine whether there is sufficient evidence to conclude that some exhibits are less popular than others. Animal Exhibits at the Zoo Elephants Lions/Tigers Giraffes Zebras Monkeys Birds Reptiles Number of 164 166 172 188 165 139 142 visitors Copy Data Step 3 of 4: Compute the value of the test statistic. Round any intermediate calculations to at least six decimal places, and round your final answer to three decimal places. Prev Next E Tables E Keypad Answer Keyboard Shortcuts © 2021 Hawkes Learning SA
The management of the local zoo wants to know if all of their animal exhibits are equally popular. If there is significant evidence that some of the
exhibits are not being visited frequently enough, then changes may need to take place within the zoo. A tally of visitors is taken for each of the
following animals throughout the course of a week, and the results are contained in the following table. At a = 0.025, determine whether there is
sufficient evidence to conclude that some exhibits are less popular than others.
Animal Exhibits at the Zoo
Elephants Lions/Tigers
Giraffes
Zebras
Monkeys
Birds
Reptiles
Number
of
164
166
172
188
165
139
142
visitors
Copy Data
Step 4 of 4: Draw a conclusion and interpret the decision.
Next
Prev
国 Tables
E Keypad
Answer
Keyboard Shortcuts
We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.025 level of significance that some exhibits are less
popular than others.
We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.025 level of significance that some exhibits are less
popular than others.
We reject the null hypothesis and conclude that there is sufficient evidence at a 0.025 level of significance that some exhibits are less popular
than others.
We reject the null hypothesis and conclude that there is insufficient evidence at a 0.025 level of significance that some exhibits are less popular
than others
© 2021 Hawkes Learning
SA
Transcribed Image Text:The management of the local zoo wants to know if all of their animal exhibits are equally popular. If there is significant evidence that some of the exhibits are not being visited frequently enough, then changes may need to take place within the zoo. A tally of visitors is taken for each of the following animals throughout the course of a week, and the results are contained in the following table. At a = 0.025, determine whether there is sufficient evidence to conclude that some exhibits are less popular than others. Animal Exhibits at the Zoo Elephants Lions/Tigers Giraffes Zebras Monkeys Birds Reptiles Number of 164 166 172 188 165 139 142 visitors Copy Data Step 4 of 4: Draw a conclusion and interpret the decision. Next Prev 国 Tables E Keypad Answer Keyboard Shortcuts We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.025 level of significance that some exhibits are less popular than others. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.025 level of significance that some exhibits are less popular than others. We reject the null hypothesis and conclude that there is sufficient evidence at a 0.025 level of significance that some exhibits are less popular than others. We reject the null hypothesis and conclude that there is insufficient evidence at a 0.025 level of significance that some exhibits are less popular than others © 2021 Hawkes Learning SA
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