Math Problem Statement
A random sample of 105 teams playing in major international team sporting competitions has been selected to study corporate sponsorship and subsequent sporting success. Some of the variables recorded for each team are listed below.
Variable Description subid Subject ID sex sex of players numSponsors number of distinct corporate sponsors percentWin the percentage of international games won Address the following questions, assuming as necessary that all test assumptions are verified. Part 1 A test is run to answer the research question, ’Is there any difference between men’s teams and women’s teams in the average number of corporate sponsors?’ Which test is correct to use, if we do not know the population standard deviation? Answer 1 Question 1
What is the null hypothesis? Answer 2 Question 1
The p-value of the test is 0.312. What is the decision of the test?
Solution
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Math Problem Analysis
Mathematical Concepts
Hypothesis Testing
Two-Sample t-Test
P-Value
Formulas
t = (X̄₁ - X̄₂) / √((s₁²/n₁) + (s₂²/n₂))
Null Hypothesis: H₀: μ₁ = μ₂
Theorems
Central Limit Theorem
Law of Large Numbers
Suitable Grade Level
Undergraduate
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