Thursday, January 10, 2013

Statistics Sample Size Calculator

Introduction to statistics sample size calculator:

Let us see about statistics sample size calculator. The calculator is one of the machines which are helped to calculate the statistics sample size. The statistics sample size is the parts of the population that supports us to illustrate the inferences about the population. Gather examine of the collection information about the population is not probable and it is time unbearable and contented. Thus, we involve an appropriate sample size so that we can generate inferences about the population foundation on that sample size.

Formula for the Staitstics Sample Size Calculator:

Let us see the formula for the statistics sample size.

Sample size = `(z^2 * (p) * (1-p)) / c^2` .

Description:

Z defines confidence level.

P defines Percentage picking a choice.

C defines confidence interval.

This is used to calculate the sample sixe by using the calculator.

Examples of sample size calculator:

Let us see some examples of statistics sample size calculator.

Example 1:

Determine the statistics sample size by using calculator where the confidence level is 95% and interval is 0.4 and population is 24%.

Solution:

The formula for the sample size = z^2 * (p) * (1-p) / c^2.

Step 1: Enter the confidence level in the calculator. The confidence level must be either 95% or 99%. So, choose the appropriate the confidence level.

Step 2: Enter the confidence level.

Step 3: Enter the population value.

Step 4: Enter the calculate button, you will get the statistics sample size by using sample size formula.

Step 5: Press the clear option, put different values and find the sample size.

These are the steps used to calculate the sample size by using calculator. Please express your views of this topic Simplifying Fractions Calculator by commenting on blog.

One more Example of Statistics Sample Size Calculator:

Determine the statistics sample size by using calculator where the confidence level is 95% and interval is 0.4 and population is 27%.

Solution:

The formula for the sample size = z^2 * (p) * (1-p) / c^2.

Step 1:

Enter the confidence level in the calculator. The confidence level must be either 95% or 99%. So, choose the appropriate the confidence level.

Step 2: Enter the confidence level.

Step 3: Enter the population value.

Step 4: Enter the calculate button, you will get the statistics sample size by using sample size formula.

Step 5: Press the clear option, put different values and find the sample size.

These are the steps used to calculate the sample size by using calculator.

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