Saturday

August 23, 2014

August 23, 2014

Posted by **b** on Friday, April 27, 2012 at 3:59pm.

- statistics -
**MathGuru**, Friday, April 27, 2012 at 6:39pmUse a formula to find sample size.

Here is one:

n = [(z-value * sd)/E]^2

...where n = sample size, z-value will be found using a z-table to represent the 99% confidence interval, sd = 2.3, E = 0.25, ^2 means squared, and * means to multiply.

Plug the values into the formula and finish the calculation. Round your answer to the next highest whole number.

Hope this helps.

**Related Questions**

statistics - A sociologist is studying marriage customs in a rural community in ...

Statistics - An April 15, 2002 report in Time Magazine stated that the average ...

Statistics - An April 15, 2002 report in Time Magazine stated that the average ...

statistics - An April 15, 2002 report in Time Magazine stated that the average ...

statistics - An April 15, 2002 report in Time Magazine stated that the average ...

STATISTICS - An April 15, 2002 report in Time Magazine stated that the average ...

statistics - An April 15, 2002 report in Time Magazine stated that the average ...

statistics - An April 15, 2002 report in Time Magazine stated that the average ...

tempe - An April 15, 2002 report in Time Magazine stated that the average age ...

statistic - 2. A sociologist conducted a study of divorce patterns in a ...