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DA0-001 · Question #168
DA0-001 Question #168: Real Exam Question with Answer & Explanation
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Data Analysis
Question
A data analyst is using a two-tailed, independent t-test to determine whether the type of stretching, dynamic or static, has any influence on a dancer's flexibility. Which of the following is the alternative hypothesis?
Options
- AA dancer's flexibility is improved through static stretching.
- BThe change in a dancer's flexibility is not equal to zero.
- CThere is a difference in a dancer's flexibility between static and dynamic stretching.
- DThe means of the static and dynamic stretching groups do not differ from each other.
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Topics
#Hypothesis testing#Alternative hypothesis#T-test