Q 45

A portion of the population selected to represent the population is called
A)statistical inference
B)descriptive statistics
C)a census
D)a sample

Q 46

In a sample of 800 students in a university, 360, or 45%, live in the dormitories. The 45% is an example of
A)a sample
B)a population
C)statistical inference
D)descriptive statistics

Q 47

In a sample of 800 students in a university, 160, or 20%, are Business majors. Based on the above information, the school's paper reported that "20% of all the students at the university are Business majors." This report is an example of
A)a sample
B)a population
C)statistical inference
D)descriptive statistics