When we want to compare more than 2 groups, we should use an ANOVA instead of a t-test because ______.
A) you cannot compare the means between all groups simultaneously with t-tests
B) you cannot take into account the variability for all samples with t-tests
C) you increase the chance of making a Type I error
D) all of these
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Q2: When using an ANOVA to compare between
Q3: The F ratio _.
A) compares mean differences
Q4: If the F-ratio is close to 1
Q5: When calculating an ANOVA, you are most
Q6: For which of the following scenarios would
Q7: You collect data on the length sales
Q8: You collect data on the length sales
Q9: You collect data on the length sales
Q10: You collect data on the length sales
Q11: If n = 10 and k =
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