A small data set that you obtain from a larger set of data to represent a whole.

• sample size

• population variance

• number of population

• population mean

A measure of how dispersed the data is in relation to the mean.

• population mean

• population standard deviation

• population variance

• population

A statistical measurement of the spread between numbers in a data set

• sample standard deviation

• sample size

• sample mean

• sample variance

the square root of the sample variance and is also a measure of the spread from the expected values.

• sample mean

• sample variance

• sample size

• sample standard deviation

the average of all observations in a specific population

• population mean

• population variance

• population standard deviation

• population observation

The average of a set of scores from cases or observations in a subset drawn from a larger population.

• expected value

• population mean

• sample mean

• average

The probability of rejecting the null hypothesis when it is true

• confidence level

• significance level

• margin of error

• confidence interval

A statistical term that represents the range of uncertainty or variability around an estimate or measurement.

• significance level

• confidence interval

• confidence level

• margin of error

It refers to the probability that a sample is true for the entire population from which it was sampled

• confidence interval

• confidence level

• significant level

• margin of error

A measure of how spread out a group of data points is.

• population mean

• population standard deviation

• population variance

• population observation