Chapter 4.1 - Quiz

A _____ in a statistical study is the entire group of individuals we want information about.

• Census

• Sample

• Population

A _____ collects data from every individual in the population.

• Census

• Sample

• Population

A _____ is a subset of individuals in the population from which we actually collect data.

• Census

• Sample

• Population

Suppose you want to know how long students at Atascocita High School spend doing homework each night #TheAWay. You stand in the library and ask the first 30 students you see about their homework time. What type of sample did you collect?

• Voluntary Response Sample

• Convenience Sample

• Random Sample

You create a Twitter poll asking your followers if Kingwood High School will win the football game. What type of sample did you collect?

• Voluntary Response Sample

• Convenience Sample

• Random Sample

You want to know if Summer Creek High School students know all five high school mascots in Humble ISD. As students enter a classroom, you assign a number to the person. Using technology, you randomly generate 10 numbers and ask those 10 participants. What type of sample did you collect?

• Voluntary Response Sample

• Convenience Sample

• Random Sample

Bias in statistics can best be described as:

• A social problem that is prevalent in today's media.

• When a respondent can't select an answer.

• A bad study design that consistently over- or underestimates the value you want to know.

Which combination of sampling often produces bias?

• Convenience Sample, Random Sample

• Random Sample, Voluntary Response Sample

• Convenience Sample, Voluntary Response Sample

In a stratified random sample, strata is:

• Segmenting a population into groups based on proximity.

• Segmenting a population based on similarity.

In a cluster sample, a cluster is:

• Segmenting a population into groups based on proximity.

• Segmenting a population based on similarity.