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QUESTION 26 Power calculations are useful in helping interpret the results of an ANOVA whon O multiple comparisons are u
Posted: Wed May 11, 2022 9:03 am
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- Question 26 Power Calculations Are Useful In Helping Interpret The Results Of An Anova Whon O Multiple Comparisons Are U 1 (31.04 KiB) Viewed 20 times
QUESTION 26 Power calculations are useful in helping interpret the results of an ANOVA whon O multiple comparisons are used the null hypothesis is rejected the null hypothesis is not rejected QUESTION 27 Assume that a 95% confidence interval for the mean minutes per day of student usage of their cell phones produced a margin of orror 212 minutes a Further assume that the population staraard deviation is approximated to be 325 Suppose a new study would like to reduce this margin to no more than 15 minutes. What is the minimum sample size needed? 18 12 10 O 16