Question: Analysis of the amniotic fluid from a simple random sample of 15 pregnant women yielded the following measurements on total protein (grams per 100 ml)

Analysis of the amniotic fluid from a simple random sample of 15 pregnant women yielded the following measurements on total protein (grams per 100 ml) present:

:69; 1:04; :39; :37; :64; :73; :69; 1:04;

:83; 1:00; :19; :61; :42; :20; :79 Do these data provide sufficient evidence to indicate that the population variance is greater than .05?

Let a ¼ :05. What assumptions are necessary?

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