Posted by **Bob** on Tuesday, October 11, 2011 at 2:28pm.

A sample of 12 measurements has a mean of 20 and a standard deviation of 2. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 20 each.

Find the standard deviation of the sample of 14 measurements.

## Answer This Question

## Related Questions

- statistics...Please help - A sample of 12 measurements has a mean of 24 and a ...
- Statistics - A sample of 12 measurements has a mean of 24 and a standard ...
- Statistics - A sample of 12 measurements has a mean of 37 and a standard ...
- statistics - A sample of 12 measurements has a mean of 34 and a standard ...
- Statistics - A sample of 12 measurements has a mean of 34 and a standard ...
- Statistics - Juan makes a measurement in a chemistry laboratory and records the ...
- statistics - The sample mean to be calculated from a random sample of size n= 4 ...
- statistics - Suppose a random sample of 80 measurements is selected from a ...
- statistics - Suppose a random sample of 80 measurements is selected from a ...
- Statistics - The following is a list of 13 measurements: -38,-89,-47,-43,-70,59,...

More Related Questions