Quiz about Unit 1 Review (Statistics)

Question 1

What is the name of a survey that includes all members of a population being studied?

Accepted Answer

Census

Answer

Sample

Answer

Statistic

Answer

Data

Question 2

_______ is the entire group of objects or individuals considered for a survey.

Accepted Answer

Population

Answer

Sample

Answer

Random Sample

Answer

Quartile

Question 3

Which of the following is an example of quantitative data?

Accepted Answer

A Person's Height

Answer

The color of your car

Answer

A person's state of residence

Answer

A person's Zip Code

Question 4

Qualitative or Quantitative?

Years of schooling completed

Accepted Answer

Quantitative

Answer

Qualitative

Question 5

Qualitative or Quantitative?

College Major

Accepted Answer

Qualitative

Answer

Quantitative

Question 6

Qualitative or Quantitative?

Hours Studying

Accepted Answer

Quantitative

Answer

Qualitative

Question 7

Qualitative or Quantitative?

Favorite Food

Accepted Answer

Qualitative

Answer

Quantitative

Question 8

Qualitative or Quantitative?

Distance from School

Accepted Answer

Quantitative

Answer

Qualitative

Question 9

Qualitative or Quantitative?

Hair Color

Accepted Answer

Qualitative

Answer

Quantitative

Question 10

Qualitative or Quantitative?

Weight

Accepted Answer

Quantitative

Answer

Qualitative

Question 11

The manager of a bookstore surveys people who buy mystery novels to

see if the store should expand its hours. What is the population?

Accepted Answer

People who visit the bookstore.

Answer

People who buy mystery novels.

Answer

Residents of the town

Answer

People who like to read.

Question 12

What would be the population in this example?

Surveyors in a mall choose shoppers to ask about products they prefer.

Accepted Answer

all shoppers in the mall

Answer

the surveyors

Answer

the shoppers who were asked their preferences

Question 13

What would be the sample in this example?

Surveyors in a mall choose shoppers to ask about products they prefer.

Accepted Answer

the shoppers who were asked their preferences

Answer

the surveyors

Answer

all shoppers in the mall

Question 14

A beverage company wanted to see if people in the United States like their new logo.

Which choice best represents a sample?

Accepted Answer

A selection of shoppers from different states.

Answer

Every person in the United States.

Answer

153 male and female employees

Answer

A selection of logo artists.

Question 15

Identify the Sample:

To determine if the class understood the homework assignment, the math

teacher checks the top 3 papers in the pile of collected homework. The

teacher finds that all students understood the homework assignment.

Accepted Answer

3 Students

Answer

All Students

Question 16

Identify the Population:

An agency wants to know the opinions of Georgia residents on the construction of Highway 316. The agency surveys 800 residents. 600 residents approve the construction. 200 residents disapprove the construction. The agency concludes that Georgia residents are pleased with the construction.

Accepted Answer

all Georgia Residents

Answer

800 Residents

Answer

600 Residents

Answer

200 Residents

Question 17

Identify the Population:

Members of the Drama Club plan to sell popcorn as a fundraiser for their Shakespeare

production. They survey 75 students at random about their favorite flavors of

popcorn. 33 students like butter, 15 like cheese, and 27 like caramel.

Accepted Answer

All Students

Answer

33 Students

Answer

75 Students

Answer

27 Students

Question 18

Identify the Sample:

A restaurant wants to know if customers buy dessert when they eat out. As people leave the

restaurant one evening, 20 people are surveyed at random. Eight people say they usually order

dessert when they eat out. The restaurant concluded that most customers do not order dessert.

Accepted Answer

20 customers

Answer

All customers

Answer

8 customers

Answer

Dessert

Question 19

Identify the kind of sample that is being used.

Randomly selecting 4 rows in a theater and sampling

all the guests that are seated in the first and last rows.

Accepted Answer

Cluster Sample

Answer

Stratified Sample

Answer

Random Sample

Answer

Convenience Sample

Question 20

Identify the kind of sample that is being used.

Survey 25 randomly selected children and 25 randomly selected adults.

Accepted Answer

Stratified Sample

Answer

Cluster Sample

Answer

Systematic Sample

Answer

Random Sample

Question 21

Each month, the Current Population Survey interviews a random sample of individuals

in about 60,000 U.S. households. One of its goals is to estimate the national

unemployment rate. In January 2015, 5.7% of those interviewed were unemployed.

What is the sample?

Accepted Answer

60,000 U.S. households

Answer

Current Population Survey

Answer

All U.S. Househoulds

Answer

Unemployment Rate

Question 22

Each month, the Current Population Survey interviews a random sample of individuals

in about 60,000 U.S. households. One of its goals is to estimate the national

unemployment rate. In January 2015, 5.7% of those interviewed were unemployed.

What is the population?

Accepted Answer

All U.S. Househoulds

Answer

5.7% Unemployed

Answer

60,000 U.S. households

Answer

Unemployment Rate

Question 23

On a flight to Orlando 12% of the 200 passengers were selected for random security

screening before boarding. According to the Transportation Security Administration,

15% of passengers at this airport are supposed to be chosen for random screening.

Identify the population.

Accepted Answer

All passengers on the flight

Answer

200 passengers

Answer

12% Selected Passengers

Answer

15% of all passengers

Question 24

_______ consists of information coming from

observations, counts, measurements, or responses.

Accepted Answer

Data

Answer

Population

Answer

Statistics

Answer

Sample

Question 25

_______ consists of attributes, labels, or non-numerical entries.

Accepted Answer

Qualitative

Answer

Data

Answer

Quantitative

Answer

Variable

Question 26

_______ data consists of numerical measurements or counts.

Accepted Answer

Quantitative

Answer

Qualitative

Answer

Ordinal

Answer

Norminal

Question 27

_______ data at this level are names, labels, or qualities.

Accepted Answer

Norminal

Answer

Ordinal

Answer

Ratio

Answer

Interval

Question 28

_______ data can be ordered but differences in entries are not meaningful.

Accepted Answer

Ordinal

Answer

Nominal

Answer

Ratio

Answer

Interval

Question 29

Values that can be counted are _______.

Accepted Answer

Discrete

Accepted Answer

Quantitative

Answer

Continuous

Answer

Qualitative

Question 30

Inferential or descriptive statistic?

A prediction has been made that the chance that a

person will be robbed in a certain city is 15%.

Accepted Answer

Inferential

Answer

Descriptive

Question 31

Inferential or descriptive statistic?

A recent survey of 2,000 adults having an MBA reported

that the average salary is more than $65,000 a year.

Accepted Answer

Descriptive

Answer

Inferential

Question 32

Inferential or descriptive statistic?

The chances of you getting a new car

is about the same as passing your math class.

Accepted Answer

Inferential

Answer

Descriptive

Question 33

A researcher stood at a school parking lot entrance to see if the

color of a car is related to the driver not wearing a seatbelt.

Accepted Answer

Observational Study

Answer

Experiment

Question 34

One group of subjects was given an herbal supplement and another group was

given a placebo. After one year, the number of illnesses each group had was compared.

Accepted Answer

Experiment

Answer

Observational Study

Question 35

What kind of sample technique is the following:

Question everyone in the cafeteria

Accepted Answer

Convenience Sampling

Answer

Random Sampling

Answer

Systematic Sampling

Answer

Cluster Sample

Question 36

What kind of sample technique is the following:

Survey 130 names chosen out of a hat

Accepted Answer

Random Sampling

Answer

Convenience Sampling

Answer

Systematic Sampling

Answer

Cluster Sample

Question 37

Farmer Joe separates his apple tree farm into 10 regions. He counts the

number of apples produced in just one of the regions and uses that estimate to

predict the number of apples produced on the whole farm. This is _______ sampling.

Accepted Answer

Cluster

Answer

Random

Answer

Stratified

Answer

Systematic

Question 38

Mrs. Trahan samples her class by selecting all students sitting

at group 1 and group 5 in her classroom. This sampling technique is called?

Accepted Answer

Cluster

Answer

Random

Answer

Stratified

Answer

Systematic

Question 39

Mrs. Trahan samples her class by selecting every third person

on her class list. Which type of sampling method is this?

Accepted Answer

Systematic

Answer

Random

Answer

Stratified

Answer

Cluster

Question 40

Mrs. Trahan samples her class by selecting 5 girls and 7 boys.

This type of sampling is called?

Accepted Answer

Stratified

Answer

Systematic

Answer

Random

Answer

Cluster

Question 41

What type of data is described below?

Adam earns $10 for each car he washes.

Accepted Answer

Discrete

Answer

Continuous

Question 42

The type of programming on each radio station in your city

(e.g., 93.7 KSKS play Country, Y101.1 plays Pop)

Accepted Answer

Nominal

Answer

Ordinal

Answer

Interval

Answer

Ratio

Question 43

What are two methods of surveying?

Accepted Answer

interviews and questionnaires

Answer

tests and interviews

Answer

experiments and questionnaires

Answer

case studies and experiments

Question 44

Which of the following is most important when conducting survey research?

Accepted Answer

Choosing a representative sample

Answer

choosing a large sample

Answer

choosing a biased sample

Answer

choosing a sample that includes every member of the population

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