Power Values

Use this field to list the values for power for which to compute an appropriate sample size .

Values must be between 0 and 1.0 and can be specified in any of the following forms:

•	a single value,

•	a range of values, typed as 0.5 to 0.7 , for example, with a default increment of 0.01,

•	a range of values with a specified increment, typed as 0.5 to 0.7 by 0.005 , for example.

To Specify Power Values:

Left-click in the text field and type the desired power values.

For example, to specify a range of values for 0.8 to 0.9 in increments of 0.01, type 0.8 to 0.9 in the text field, as shown below:

Note : This field can be left blank if values are specified in the Sample Sizes field.

If you change your mind and would like to reset the field, click Clear .