Math Problem Statement
local chess club claims that the length of time to play a game has a standard deviation of 15 minutes or less. Write sentences describing type I and type II errors for a hypothesis test of this claim. Question content area bottom Part 1 A type I error will occur if the actual standard deviation of the length of time to play a game is ▼ 15 minutes, but you ▼ fail to reject reject the null hypothesis, ▼ Upper H 0 : sigma less than or equals 15 Upper H 0 : sigma greater than 15 Upper H 0 : sigma not equals 15 Upper H 0 : sigma equals 15 Upper H 0 : sigma greater than or equals 15 Upper H 0 : sigma less than 15 . A type II error will occur if the actual standard deviation of the length of time to play a game is ▼ less than equal to greater than or equal to not equal to greater than less than or equal to 15 minutes, but you ▼ reject fail to reject the null hypothesis, ▼ Upper H 0 : sigma greater than 15 Upper H 0 : sigma not equals 15 Upper H 0 : sigma less than 15 Upper H 0 : sigma greater than or equals 15 Upper H 0 : sigma equals 15 Upper H 0 : sigma less than or equals 15 .
Solution
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Math Problem Analysis
Mathematical Concepts
Hypothesis Testing
Type I and Type II Errors
Standard Deviation
Formulas
Null hypothesis: H0: σ ≤ 15 minutes
Alternative hypothesis: H1: σ > 15 minutes
Theorems
Concept of Type I Error
Concept of Type II Error
Suitable Grade Level
Grades 11-12, College Introductory Statistics
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