Business Stats Individual Competition! (3/10)

Which of the following represents a sample?

• The full rank and file of workers at a factory

• The student body at a small college

• A group of 400 doctors sent a questionnaire

• All of the cars of a certain make and model from one year

Which is a measurement of qualitative data?

• The total sales from a retail store

• The years of school completed by doctors

• The make of an automobile

• The number of movies a person watches per year

Which is a measurement of quantitative data?

• The college a person attended

• The color of the roof of a house

• The job title a person currently holds

• The length a spring can stretch before failing

Which symbol denotes a measurement of interest on an individual in a sample or population? See Exhibit 1.

• a

• b

• c

• d

Which symbol represents a parameter? See Exhibit 2.

• a

• b

• c

• d

A sample is taken and 41 out of 50 people in the sample liked a particular brand of toothpaste, what is the value of the sample proportion?

• 0.82

• 0.41

• 0.50

• 0.09

Which term describes the number of times a value appears in a data set?

• frequency

• statistic

• parameter

• census

Which term describes a number computed from sample data?

• parameter

• statistic

• census

• measurement

Which term describes a number or attribute computed from each member of a set of objects?

• statistic

• parameter

• population

• measurement

Which term describes measurements that have no natural numeric scale?

• descriptive statistics

• quantitative data

• inferential statistics

• qualitative data