Population Parameter Statistic

Is the following a parameter or a statistic?

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• parameter

• statistic

Is the following a parameter or a statistic?

In a survey of a sample of high school students, 43% said that their mother has taught them the most about managing money.

• parameter

• statistic

Is the following a parameter or a statistic?

In a survey of a sample of computer users, 8% said their computer had a malfunction that needed to be repaired by a service technician.

• parameter

• statistic

Is the following a parameter or a statistic?

In a recent survey of 1503 adults in the United States, 33% said they use both a landline and a cell phone.

• parameter

• statistic

These symbols represent the mean and standard deviation for which of the following distributions?

• The Population

• The Sample

• The Sampling Distribution

Tags

(SR.DSR.4.3

If the mean of a sample is 203 and the margin of error is 4.6, what would be a reasonable mean for the population?

• 99.2

• 198.3

• 207.2

• 207.7

Use the data from the sample to estimate the parameter of interest. Report your answer with two decimal places.

• xbar = 80.44

• mu = 70.00

• mu = 80.44

• xbar = 70.00

Answer explanation

μ = mean amount of time (in minutes) U.S. adults spent watching election coverage on election night

Is the following a parameter or a statistic? Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion.

• parameter

• statistic

Which choice best represents a statistic they may obtain?

• The percentage of all townspeople who believe the mayor is doing a good job.

• The percentage of townspeople surveyed who believe the mayor is doing a good job.

• All townspeople.

• A random selection of 100 townspeople.

A school principal wants to see which subject the 845 students in his school liked best.
Which choice best represents a parameter?

• 700 of the 845 students prefer math.

• 100 of the 120 students surveyed prefer math.

• 845 students

• 120 students surveyed