Sampling Distributions and Their Properties

Inferential statistics

Sampling distributions

Probability distributions

Descriptive statistics

All possible values of a statistic

All possible values of a parameter

All possible values of a sample

All possible values of a variable

The statistic

The parameter

The population mean

The sample mean

np < 10

np >= 10

np > 10

np = 10

Sample size must be more than 10% of the population

Sample size must be less than 10% of the population

Sample size must be exactly 10% of the population

Sample size must be 10% of the population

150

200

100

120

0.10

0.12

0.15

0.20

Square root of p divided by n

Square root of p times q divided by n

Square root of p times q times n

Square root of q divided by n

0.2000

0.5000

0.8413

0.1587

0.383

0.500

0.600

0.700