Below is a frequency table of a random sample of 2200 adults collected by Sofya Poghosyan a researcher and classified by their favorite way to eat ice cream and gender. The observed frequencies are in Table 1 and the expected frequencies are Table 2. At alpha = 0.01, can you conclude that the adults’ favorite ways to eat ice cream are related to gender? TABLE 1 male Female cup 600 410 cone 288 340 sundae 204 180 sandwich 24 20 other 84 50 Total 1200 1000
Below is a frequency table of a random sample of 2200 adults collected by Sofya Poghosyan a researcher and classified by their favorite way to eat ice cream and gender. The observed frequencies are in Table 1 and the expected frequencies are Table 2. At alpha = 0.01, can you conclude that the adults’ favorite ways to eat ice cream are related to gender? TABLE 1 male Female cup 600 410 cone 288 340 sundae 204 180 sandwich 24 20 other 84 50 Total 1200 1000
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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Below is a frequency table of a random sample of 2200 adults collected by Sofya Poghosyan a researcher and classified by their favorite way to eat ice cream and gender. The observed frequencies are in Table 1 and the expected frequencies are Table 2. At alpha = 0.01, can you conclude that the adults’ favorite ways to eat ice cream are related to gender?
TABLE 1
|
|
male |
Female |
|
cup |
600 |
410 |
|
cone |
288 |
340 |
|
sundae |
204 |
180 |
|
sandwich |
24 |
20 |
|
other |
84 |
50 |
|
Total |
1200 |
1000 |
TABLE 2
|
|
male |
Female |
|
cup |
550.91 |
459.09 |
|
cone |
342.55 |
285.45 |
|
sundae |
209.45 |
174.55 |
|
sandwich |
24 |
20 |
|
other |
73.09 |
60.91 |
|
Total |
1200 |
1000 |
Find the Test statistics? Leave your answer in 2 decimal places
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