The percentage found when the number of completed surveys ...

[Chloeellawright]

The percentage found when the number of completed surveys returned in a mail survey is divided by the total number of sample members provided a chance to participate is known as the ______.
 Fill in the blank(s) with correct word

Question 2

A z-transformation is done by
 a. subtracting the mean from the data point and then dividing by the variable's standard deviation
  b. taking the square root of the sum of the squares of the differences between the data points
  c. dividing each data point by the variable's mean
  d. subtracting the variable's standard error from the value of each data point

[shailee]

Answer to Question 1

response rate

Answer to Question 2

A
To perform a z-transformation, the variable's mean is subtracted from each data value, and the result is then divided by the variable's standard deviation. This makes each variable have a mean of 0 and a standard deviation of 1.

[Chloeellawright]

Thanks for the timely response, appreciate it

[Sarahjh]

Excellent