Question

According to Detroit Red Wing statistics on season ticket holders in the private suites at Little...

According to Detroit Red Wing statistics on season ticket holders in the private suites at Little Caesars’ Arena, 60% of fans drink beer, 30% prefer hard liquor, 5% order wine and 5% do not use alcohol.

You are asked to perform a Chi-Square Goodness-of- Fit Test based on the following sample of 300 fans at a recent Montreal Canadians’ game:

Beer = 210

Hard Liquor = 70

Wine = 10

No alcohol = 10.

  1. If you set α = 0.05, what is the Critical Value?
  2. Compute the Chi-Square test statistic, either by hand or using your calculator.
  3. Yes or No…..Is this variation significant at the 0.05 level?
  4. What is the p-value for this study?

Homework Answers

Answer #1

a) Since there are 4 variety hence the degree of freedom=n-1=4-1=3

using chi-square table at 0.05 level of significance and 3 degrees of freedom

Critical value=7.815

b)

Since given as

VARIETY OBSERVED VALUE EXPECTED PERCENTAGE EXPECTED VALUE
BEER 210 60 180
HARD LIQUOR 70 30 60
WINE 10 5 15
NO ALCOHOL 10 5 15

As we know that chi-square value is calculated as

using excel tool

chi square=10

c) The P-Value is 0.018566. The result is significant at p < .05.

d) the p-value calculated using the calculator as 0.0186

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