Statistic and Parameter

INSTRUCTION: TELL WHETHER THE GIVEN VALUE IS A STATISTIC OR A PARAMETER

1. Based on a sample of 900 elementary students, it was found out that 30% of them could not do long division.

2. A teacher randomly selected 15 students from her class. These 15 students were asked to go to the auditorium to be interviewed by a researcher.

Based on a sample of 1200 surveyed students, it was found out that 20% of them needed financial aid.

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

• parameter

• 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

In a recent survey of 1503 adults in the United States, 53% said they use both a landline and a cell phone,

• parameter

• statistic

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

In  a recent year, the average math scores for all graduates on the ACT was 21.1.

• parameter

• statistic

A mayor wanted to see if the people in his town thought he was doing a good job.
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.

What is the branch of mathematics dealing with the collection, organization, analysis, interpretation and presentation of data?

• Algebra

• Geometry

• Probability

• Statistics