tanshark36Lv1
18 Nov 2021
Problem 55
Page 719
Section: Practice
Chapter 13: F DISTRIBUTION AND ONE-WAY ANOVA
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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.
-value is the value based on which the null hypothesis is rejected or accepted. The -value is the evidence against the null hypothesis.
For a given level of significance , if , then null hypothesis is rejected, otherwise accepted.
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