Posted by **Anonymous** on Monday, May 2, 2011 at 10:33pm.

A sample of 12 measurements has a mean of 34 and a standard deviation of 4.5. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 34 each.

A. Find the mean of the sample of 14 measurements.

Mean =

B. 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 20 and a standard ...
- 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 - Juan makes a measurement in a chemistry laboratory and records the ...
- 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 sample mean to be calculated from a random sample of size n= 4...
- statistics - Here are 6 measurements of the electrical conductivity of a iron ...

More Related Questions