Please explain the steps how to proceed

9. One way to measure the amount of sleep "activeness" is to measure the percentage of total sleep that is made up of Rapid Eye Movement (REM) sleep. In an experimental study, sleep researchers examine several groups of adults who are drawn from different populations (one group from each population). These populations differ in amount of typical daily activity (ranging from "very active" to "inactive" and classified based on such criteria as amount of exercise and type of occupation). The researchers record, for each participant, the percentage of total sleep time over the course of 4 nights that is spent in REM sleep. The researchers then perform a one- way, independent-samples ANOVA test of the equality of the mean REM sleep percentages of the different populations. (7 points) a. Here is a summary of their ANOVA test. Fill in the missing entry of the table (rounded to two decimal places) 222??? [is-lm: siluuna'rce): Mean square F statistic Treatments (between 53.59 13-4 groups) Error (within 31 404 groups) b. How many groups of adults were studied in the experiment? 0 Form the null and alternate Hypothesis test? d. Can the researchers conclude, using the 0.05 level of significance, that at least one of the populations of adults differs from the others in mean percentage of sleep time Spent in REM