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h
Is there sufficient statistical evidence at the 0.05 significance
level to reject the null hypothesis? Yes, because the p-value is less than
0.05.
i Is this a right-tail test, left-tail test, or two-tail test? Right-tail test
7 Choose one best answer among the given options.
a) There are a lot of values
b)
A range of values is formulated from the given data in order to
present the parameyers inside the range at a particular probability: a
confidence interval
(1) the population parameter
(2) a point estimate
(3) the mean of the population
c)
What affects the sample error aside from the standard deviation?
a confidence interval
(1) the population parameter
(2) the point estimate
(3) the sample size
d)
For example, you have 100 sample population, for every sample
you establish 95% confidence interval for the mean. WE are right to
assume that 95% of the confidence interval is one of the following:
(1) a sample mean
(2) the population mean
(3) a point estimate