Question
In: Statistics and Probability
How much money does the average professional football fan spend on food at a single football...
How much money does the average professional football fan spend on food at a single football game? That question was posed to 10 randomly selected football fans. The sample results provided a sample mean and standard deviation of $14.00 and $2.50, respectively. Use this information to construct a 90% confidence interval for the mean.?
Solutions
Expert Solution
n = 10
= 14
s = 2.5
SE = s/
= 2.5/
= 0.7906
= 0.10
ndf = 10 - 1 = 9
From Table, critical values of t = 
1.8331
Confidence interval:
t
SE
= 14
(1.8331 X 0.7906)
= 14
1.4492
= (12.5508 , 15.4492)
orchestra answered 2 years agoRelated Solutions
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