A report just came out that stated that 24.9% of all Americans say that vanilla is their favorite ice cream, 21.4% say that chocolate is their favorite, 9.7% favor butter pecan, 9.6% favor strawberry, and the rest have other favorites. An ice cream shop owner thinks that her customers are not like the rest of America. The table below shows the results of 950 of her patrons' ice cream selections. What can be concluded at the a = 0.10 significance level? a. Complete the table by filling in the expected frequencies. Round your answers to the nearest whole number. Frequencies of Favorite Ice Cream Outcome Frequency Expected Frequency Vanilla 225 Chocolate 202 Butter Pecan 99 Strawberry 91 Other 333 b. What is the correct statistical test to use? Select an answer c. What are the null and alternative hypotheses? Ho: O The distribution of favorite ice cream for customers at her shop is not the same as it is for Americans in general. O Favorite ice cream and where the ice cream is purchased are dependent. O Favorite ice cream and where the ice cream is purchased are independent. O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in general. H₁: O Favorite ice cream and where the ice cream is purchased are dependent. O Favorite ice cream and where the ice cream is purchased are independent. O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in general. O The distribution of favorite ice cream for customers at her shop is not the same as it is for Americans in general. d. The degrees of freedom = e. The test-statistic for this data = (Please show your answer to three decimal places.)
A report just came out that stated that 24.9% of all Americans say that vanilla is their favorite ice cream, 21.4% say that chocolate is their favorite, 9.7% favor butter pecan, 9.6% favor strawberry, and the rest have other favorites. An ice cream shop owner thinks that her customers are not like the rest of America. The table below shows the results of 950 of her patrons' ice cream selections. What can be concluded at the a = 0.10 significance level? a. Complete the table by filling in the expected frequencies. Round your answers to the nearest whole number. Frequencies of Favorite Ice Cream Outcome Frequency Expected Frequency Vanilla 225 Chocolate 202 Butter Pecan 99 Strawberry 91 Other 333 b. What is the correct statistical test to use? Select an answer c. What are the null and alternative hypotheses? Ho: O The distribution of favorite ice cream for customers at her shop is not the same as it is for Americans in general. O Favorite ice cream and where the ice cream is purchased are dependent. O Favorite ice cream and where the ice cream is purchased are independent. O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in general. H₁: O Favorite ice cream and where the ice cream is purchased are dependent. O Favorite ice cream and where the ice cream is purchased are independent. O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in general. O The distribution of favorite ice cream for customers at her shop is not the same as it is for Americans in general. d. The degrees of freedom = e. The test-statistic for this data = (Please show your answer 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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Transcribed Image Text:A report just came out that stated that 24.9% of all Americans say that vanilla is their favorite ice cream, 21.4% say
that chocolate is their favorite, 9.7% favor butter pecan, 9.6% favor strawberry, and the rest have other favorites. An ice
cream shop owner thinks that her customers are not like the rest of America. The table below shows the results of 950
of her patrons' ice cream selections. What can be concluded at the a = 0.10 significance level?
a. Complete the table by filling in the expected frequencies. Round your answers to the nearest whole number.
Frequencies of Favorite Ice Cream
Outcome Frequency Expected Frequency
Vanilla 225
Chocolate 202
Butter Pecan 99
Strawberry 91
Other
333
b. What is the correct statistical test to use?
Select an answer
c. What are the null and alternative hypotheses?
Ho:
O The distribution of favorite ice cream for customers at her shop is not the same as it is for Americans in
general.
O Favorite ice cream and where the ice cream is purchased are dependent.
O Favorite ice cream and where the ice cream is purchased are independent.
O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in general.
H₁:
O Favorite ice cream and where the ice cream is purchased are dependent.
O Favorite ice cream and where the ice cream is purchased are independent.
O The distribution of favorite ice cream for customers at her shop is the same as it is for Americans in general.
O The distribution of favorite ice cream for customers at her shop is not the same as it is for Americans in
general.
d. The degrees of freedom =
e. The test-statistic for this data =
(Please show your answer to three decimal places.)
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