Stat 1401 Test Review 1

The average number of pages for all books in a library is 225. Is this an example of a statistic or a parameter?

In a survey of 300 high-school students, 45% of them said they do not intend to go to college. Is this an example of a statistic or a parameter?

List and define the 6 types of sampling methods

A ______ is a subset of a population while a __________ is the entire group that data is collected from

• sample, population

• population, sample

• quantitative, qualitative

• qualitative, quantitative

I am conducting a ________​ study about how many books people read per year.​ Qualitative or Quantitative?

I am conducting a ​_______ survey on students' favorite ice cream flavors. Qualitative or Quantitative?

The grades of 4 students in a STAT 1401 class are D,A,C,B. Are grades an ordinal or nominal variable?

• neither

• nominal

• both

• ordinal

After collecting data on student's favorite ice cream flavors, you concluded that the most common flavors are vanilla, chocolate, strawberry, and cookie dough. Are ice cream flavors a nominal or ordinal variable?

• neither

• nominal

• both

• ordinal

What are examples of discrete variables?

• age

• number of pets

• height

• length

Both stratified sampling and cluster sampling divide the population into groups

• True

• False