Probability and Statistics Chapter 1 Review

Question 1

To study effect of music on driving, 4males and 4females drove 500 mi listening to dif. genres.

Accepted Answer

Experiment

Question 2

Species of trees in a forest.

Accepted Answer

Qualitative

Question 3

The jersey numbers for players on a soccer team: 5, 9, 78, 11, 14, 4, 15, 10, 31, 19, 23, ...

Accepted Answer

Nominal

Question 4

A student asks 18 friends to participate in a psychology experiment.

Accepted Answer

Convenience

Question 5

25 students are randomly selected from each grade level at a high school for a survey.

Accepted Answer

Stratified

Question 6

Divide population into groups, select all members in at least one (but not all) of the groups.

Accepted Answer

Cluster Sample

Question 7

The average annual salary for 35 of a company's 1200 accountants is $68,000.

Accepted Answer

Statistic

Question 8

A survey of 1015 U. S. adults found that 32% have had to put off medical care due to the cost.

Accepted Answer

Population: Responses of all adults in the U.S.

Question 9

Divide population into groups, randomly select some members from each group.

Accepted Answer

Stratified

Question 10

The age of every third person entering a clothing store.

Accepted Answer

Sample

Question 11

Years that a television show on ABC won the Emmy for best comedy series: 1955, 1979, 1980, ...

Accepted Answer

Interval

Question 12

A census is a count of part of a population.

Accepted Answer

False

Question 13

The final score of each golfer in a tournament.

Accepted Answer

Population

Question 14

A survey of 202 pilots found 20% admit that they have made a serious mistake due to sleepiness.

Accepted Answer

Sample: The effect of sleepiness on the 202 pilots surveyed.

Question 15

Law enforcement officials stop and check the driver of every 3rd vehicle for a license.

Accepted Answer

Systematic

Question 16

A population is the collection of some outcomes, responses, measurements, or counts of interest

Accepted Answer

False

Question 17

How can you randomly generate numbers for a SRS? Choose the answer that is NOT correct.

Accepted Answer

Randomly call out numbers

Question 18

True or False: A statistic is a numerical value that describes a population.

Accepted Answer

False

Question 19

A double-blind experiment is used to increase the placebo effect.

Accepted Answer

False

Question 20

Order a population, then select members of the population at regular intervals.

Accepted Answer

Systematic

Question 21

Top five business schools in the U. S. according to Forbes: 1.Harvard, 2.Stanford, 3.Chicago...

Accepted Answer

Ordinal

Question 22

The revenue of each of the 30 companies in the Dow Jones Industrial Average.

Accepted Answer

Population

Question 23

Heights of hot air balloons

Accepted Answer

Quantitative

Question 24

True or False: A sample is a subset of a population.

Accepted Answer

True

Question 25

Are you ready for tomorrow's quiz?

Accepted Answer

Yes

Question 26

Wait times at Kroger.

Accepted Answer

Quantitative

Question 27

The amount of energy collected from every wind turbine on a wind farm.

Accepted Answer

Population

Question 28

A survey of 500 spectators from a stadium with 42,000 spectators.

Accepted Answer

Sample

Question 29

In 2016, the average math score on the ACT for all graduates was 21.1.

Accepted Answer

Parameter

Question 30

Inferential statistics uses a population to draw a conclusion about a corresponding sample.

Accepted Answer

False

Probability and Statistics Chapter 1 Review

Questions 30

Probability and Statistics Chapter 1 Review

Questions 30