A sample of 15 buttons is randomly selected and the following
diameters are measured in inches....
A sample of 15 buttons is randomly selected and the following
diameters are measured in inches. Give a point estimate for the
population standard deviation. Round your answer to three decimal
places.
1.75,1.68,1.74,1.80,1.78,1.62,1.74,1.65,1.73,1.62,1.70,1.79,1.65,1.63,1.671.75,1.68,1.74,1.80,1.78,1.62,1.74,1.65,1.73,1.62,1.70,1.79,1.65,1.63,1.67
The following sample data are from a normal population: 8, 6,
10, 13, 11, 9, 4,...
The following sample data are from a normal population: 8, 6,
10, 13, 11, 9, 4, 3.
(a)
What is the point estimate of the population mean?
(b)
What is the point estimate of the population standard deviation?
(Round your answer to three decimal places.)
(c)
With 95% confidence, what is the margin of error for the
estimation of the population mean? (Round your answer to one
decimal place.)
(d)
What is the 95% confidence interval for the population mean?...