Review for Exam One

Front

A researcher surveys 500 people in New York City to study average commuting times. The population is:

Back

All people in New York City

Front

A researcher surveys 500 people in New York City to study average commuting times. The sample is:

Back

The 500 surveyed people

Front

The population is: All students in the city, The 200 selected students, The mean GPA of all students at the university, All students at the university

Back

All students at the university

Front

A university wants to know the average GPA of its students. It randomly selects 200 students. The sample is:

Back

The 200 selected students

Front

¿Which is a qualitative variable? Options: Temperature (in degrees), Height (in inches), Number of books read

Back

Favorite color

Front

A survey asks people their favorite type of music. This variable is:

Back

Qualitative

Front

A factory measures the weight (in pounds) of each package it ships. This variable is:

Back

Quantitative

Front

The number of books on a library shelf is: Continuous, Qualitative, Ordinal, Discrete

Back

Discrete

Front

The time (in minutes) it takes to run a mile is:

Back

Continuous

Front

A researcher wants to survey 1000 students at a university. She selects every 10^th student from the enrollment list.

Back

Systematic sampling