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Nina [5.8K]
3 years ago
10

A random sample of size results in a sample mean of and a sample standard deviation of . An independent sample of size results i

n a sample mean of and sample standard deviation of . Does this constitute sufficient evidence to conclude that the population means differ at the level of​ significance?
Mathematics
1 answer:
Studentka2010 [4]3 years ago
3 0

Answer:

A typical example would be when a statistician wishes to estimate the ... by the standard deviation ó) is known, then the standard error of the sample mean is given by the formula: ... The central limit theorem is a significant result which depends on sample size. ... So, the sample mean X/n has maximum variance 0.25/ n.

Step-by-step explanation:

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