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1.In a weight control program research, one group is told to exercise and one group is told to not exercise. a.Is this a blind experiment,

1.In a weight control program research, one group is told to exercise and one group is told to not exercise.

a.Is this a blind experiment, double blind experiment, or neither?

b.Why?

2.A STAT 200 instructor is interested in the average weekly study time for UMUC STAT 200 students.She teaches two sections and randomly chooses 15 students from the first section and 18 students from the second section.

a.What is this sampling method?Cluster, convenience, stratified, or systematic?

b.Why?

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