A random sample of n =16 one-kilogram sugar packets of
Chapter 9, Problem 9.3.8(choose chapter or problem)
A random sample of n =16 one-kilogram sugar packets of brand A have weights with a sample mean x =1.053 kg and a sample standard deviation sx =0.058 kg. In addition, a random sample of m =16 one-kilogram sugar packets of brand B have weights with a sample mean y =1.071 kg and a sample standard deviation sy =0.062 kg. Is it safe to conclude that brand B sugar packets weigh slightly more on average than brand A sugar packets?
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