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18 Nov 2021
Given information
Two students are interested in whether or not there is variation in their test scores for math class. There are total math tests they have taken so far. The first student’s grades have a standard deviation of . The second student’s grades have a standard deviation of . The second student thinks his scores are lower.
Step-by-step explanation
Step 1.
The null hypothesis states that the population parameter is equal to the hypothesized value. The alternative hypothesis states that the parameter is greater than less than or not equal to the hypothesized value.
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