Chapter 1 Review (Elementary Statistics 8e)

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.

This is a form of:

• Random Sampling

• Convenience Sampling

• Cluster Sampling

• Systematic Sampling

Identify the population being studied.

The heights of 13 out of 35 corn plants at Mr. Lonardo's greenhouse.

• All corn plants at Mr. Lonardo's greenhouse.

• The 13 corn plants at Mr. Lonardo's greenhouse.

• All corn plants in greenhouses.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Bank account numbers are an example of which type of data?

• Statistic

• Qualitative

• Inferential

• Quantitative

Determine whether an observational or experimental study is appropriate to address the following statement.

A general manager of a restaurant wants to find out if her customer base is shrinking.

• Observational

• Experimental

Tags

CCSS.HSS.IC.B.3

Determine whether the statement describes a population or a sample.

The types of cars of all the employees at a software company.

• Population

• Sample

Statistics is the science of conducting studies to

• solve a system of equations.

• hypothesize, experiment, and form conclusions.

• collect, organize, summarize, analyze, and draw conclusions from data.

• monitor, study, and report on a subject.

A ______________ variable assumes values that can be counted.

• discrete

• continuous

• data

• sample

Tags

CCSS.HSS.MD.A.1

The four basic methods used to obtain samples are: random, irregular, cluster, and stratified sampling.

• True

• False

Tags

CCSS.HSS.IC.B.3

An independent variable can also be called a(n)

• free variable

• suggestive variable.

• explanatory variable.

• outcome variable.

A magazine tests a new car and reports that it could be twice as much fun to drive. This is NOT an example of

• changing the subject

• suspect samples

• detached statistics

• implied connections