Question

Ida wants to know if male and female students prefer one brand of chocolate chip cookie dough over another. To test this, she bakes eight dozen cookies from dough made by each of 4 manufacturers and labels the brands A, B, C, and D, to conceal the name of the company from the tasters. She then selects a random sample of 96 students at her school to try each brand of cookie and choose the brand they like best. Here are the results: Cookie Brand A B C D Total Males 4 6 13 15 38 Gender Females 22 12 11 13 58 Total 26 18 24 28 96 What is the appropriate null hypothesis for Ida's question? a. There is an association between gender and preferred cookie brand. b. Gender and cookie brands are independent. c. The distribution of preferred cookie brand for each gender is different. d. The observed count in each cell is equal to the expected count. e. The male and female subjects in this experiment have the same distribution of cookie brand preference.

Name: ida wants to know if male and female students prefer one brand of chocolate chip cookie dough over another to test this she bakes eight dozen cookies from dough made by each of 4 manufacture 60192
Uploaded: 2023-06-16T17:25:27-08:00
Duration: 4 min 37 s
Channel: Adi S
Description: ida wants to know if male and female students prefer one brand of chocolate chip cookie dough over another to test this she bakes eight dozen cookies from dough made by each of 4 manufacture 60192

          Ida wants to know if male and female students prefer one brand of chocolate chip cookie dough over another. To test this, she bakes eight dozen cookies from dough made by each of 4 manufacturers and labels the brands A, B, C, and D, to conceal the name of the company from the tasters. She then selects a random sample of 96 students at her school to try each brand of cookie and choose the brand they like best. Here are the results:
Cookie Brand
A
B
C
D
Total
Males
4
6
13
15
38
Gender
Females
22
12
11
13
58
Total
26
18
24
28
96
What is the appropriate null hypothesis for Ida's question?
a. There is an association between gender and preferred cookie brand.
b. Gender and cookie brands are independent.
c. The distribution of preferred cookie brand for each gender is different.
d. The observed count in each cell is equal to the expected count.
e. The male and female subjects in this experiment have the same distribution of cookie brand preference.

Added by Javier G.

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