Sample 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

Before a nationwide election, a polling company is trying to predict who will win. Which choice is the best representation of a statistic they may obtain?

• A selection of voters over age 50.

• All voters.

• The percentage of voters in favor of the candidate.

• 53% of a selection of voters support the candidate.

The sample represents the population.

Choose the answer that says "Representative Sample"

• Random Sample

• Biased Sample

• Representative Sample

A sample should be

• representative of  only middle school students only

• a very large group

• representative of the population

• representative of people who volunteer

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 number that describes a sample.

• Population

• Sample

• Parameter

• statistic

Which of the following statements is correct?

• The mean of sampling distribution of the means is less than the population mean.

• The mean of the sampling distribution of the means is equal to the population mean.

• The mean of the sampling distribution of the means is greater than the population mean.

• The means of the samples drawn from a population may be equal, greater than, or less than the population mean.

Which choice best represents a statistic?

• 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.