Estimating an Average of a Population Statistics

A point estimate of a population value consists of ______ number(s).

• infinite

• 10

• 2

• 1

A subset of a set of data is called

• population

• sample

• parameter

• statistics

Which of the following is the difference between a value and the mean?

• Parameter

• Population

• Sample

• Error

The value obtained from a sample data is called

• Sample

• Statistic

• Population

• Parameter

The values that belong to a population is

• Sample

• Statistic

• Population

• Parameter

Which of the following is denoted by myu?

• population mean

• sample mean

• standard deviation

• variance

A set of data one wishes to investigate is called

• Error

• Normal Curve

• Population

• Statistic

How many possible samples are there when random samples of size n=2 are drawn from a finite population consisting of 2, 4, 6, 8?

• 10

• 8

• 6

• 2

What is the proportion of the area under the normal curve to the right of the mean?

• 1

• 0.5

• 1.5

• 2

What percent of the area under the curve between z= -1 and z= 1?

• 0.68%

• .6826%

• 68.26%

• 682.6%