The table below shows beer, water and wine sales at three different sports games
ID: 3336427 • Letter: T
Question
The table below shows beer, water and wine sales at three different sports games. Calculate the Chi-square value and report the value in full.
Observed Frequencies
Soccer
Tennis
Hockey
Total
Beer
9
5
9
23
Water
6
9
5
20
Wine
7
11
8
26
Total
22
25
22
69
To help you out, below we’ve provided a table with some of the expected frequencies:
Expected Frequencies
Soccer
Tennis
Hockey
Total
Beer
7.33
8.33
23
Water
6.38
20
Wine
8.29
26
Total
22
25
22
69
Observed Frequencies
Soccer
Tennis
Hockey
Total
Beer
9
5
9
23
Water
6
9
5
20
Wine
7
11
8
26
Total
22
25
22
69
Explanation / Answer
from above applying chi sqaure test :
from above chi square value =3.311
please revert if any other explanation required
Observed O soccer tennis Hockey Total Beer 9 5 9 23 water 6 9 5 20 wine 7 11 8 26 Total 22 25 22 69 Expected E=rowtotal*column total/grand total soccer tennis Hockey Total Beer 7.33 8.33 7.33 23 water 6.38 7.25 6.38 20 wine 8.29 9.42 8.29 26 Total 22 25 22 69 chi square =(O-E)^2/E soccer tennis Hockey Total Beer 0.379 1.333 0.379 2.091 water 0.022 0.424 0.297 0.744 wine 0.201 0.265 0.010 0.476 Total 0.602 2.023 0.686 3.311