Math Problem Statement
An annual championship event is the most widely watched sporting event in a country each year. In recent years, there has been a great deal of interest in the ads that appear during the game. These ads vary in length with most lasting 30 seconds or 60 seconds. The accompanying data represent the ad length and ad scores from a recent championship. Complete parts (a) through (c). 30-Second Ads 60-Second Ads 48 67 23 51 31 52 37 54 45 55 50 25 23 38 31 34 53 44 55 68 Find the critical value(s). enter your response here (Use a comma to separate answers as needed. Round to two decimal places as needed.)
Solution
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Math Problem Analysis
Mathematical Concepts
Hypothesis Testing
Two-Sample t-Test
Critical Values
Significance Level
Degrees of Freedom
Formulas
Degrees of freedom: df = n1 + n2 - 2
t-distribution critical value lookup based on df and significance level
Theorems
t-Test Critical Value Theorem
Suitable Grade Level
Grades 11-12, Undergraduate
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