Question 1
Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the null hypothesis.
A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table.
Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens?
◦ Yes
◦ No
Question 2
Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the null hypothesis.
The data below represent the weight losses for people on three different exercise programs.
Do the data indicate that there is a difference in mean weight loss for the three exercise programs?
◦ Yes
◦ No
Substrate–level phosphorylation.
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