Question: options are needed and not needed A business recently added a policy that allows their customer service operators to take a paid 30- minute power

options are "needed" and "not needed"

A business recently added a policy that allows their customer service operators to take a paid 30- minute "power nap" during the middle of the day if they feel fatigued. The hope is to reduce customer complaints. 10 randomly selected operators were selected and the number of complaints they recein in the sir: months prior to the new policy and in the sir: months after the new policy were recorded. The data were analyzed using a matched pairs analysis with the results shown here: Paired T Test for Before - After Nu'l'l Hypothesis: difference = i?! Alternative Hyp: difference :r El Hean 3.9m Std Error 1.3'513 Mean - HE 3.9m Lower 9596 CI 9.3194 Upper 9596 CI 5.93% T 1.35 [.'IF 9 P sews Cases Included 1e Missing l[Doses 1?! Considering the printout above, state whether each of the following assumptions would be needed. Random sample of paired differences ' [Choose] V' Independent Samples ' [ Change ] V' Normal population of pired differencess ' [Choose] V' Equal Population Variances ' [ Choose ] v

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