Chapter 1

To perform a research study, you need to obtain approval from an .

Institutional Review Board

The heights of 1313 out of the 2828 eggplant plants at Mr. Lonardo's greenhouse.

all eggplants at Mr. Lonardo's greenhouse

Results sometimes produce flawed conclusions which can be a form of .

bias

Five cattle are selected and examined for signs of disease.

case study

For administrative purposes, a secretary needs to know the average length of tenure of faculty at their school.

census

Select each member of the population.

census

A pollster interviews each member from each of the ten randomly chosen neighborhoods throughout a city.

cluster sampling

A random number generator is used to choose five cities. Then a crime researcher collects data from each person in these cities.

cluster sampling

Speeds of cars driving on the highway are an example of which type of data?

continuous

The average price of a house in the new subdivision is $300,000$⁢300,000.

descriptive statistics

The numbers of red cars on various roads are an example of which type of data?

discrete

In a experiment, neither nurses nor partakers know whether the partaker will receive a placebo.

double-blind

If a participant begins a study but fails to complete it, then that participant is a(n) .

dropout

A survey of 23452345 people revealed that 75%75% eat while they drive; therefore it can be assumed that 75%75% of the U.S. population eats while they drive.

inferential statistic

A citizens watch committee analyzes fifteen newspaper articles about crime prevention.

meta-analysis

Types of movies people go to see are an example of which type of data?

neither

A(n) is a participant who does not follow the instructions for a study.

nonadherent(s)

A car wash operator wants to study her average daily receipts.

observational

is/are created when there is a problem with either the participation, or lack of participation, of those chosen for the study.

participation bias

The number of times the students on your floor order Chinese in a week.

population

The average number of hours students in your statistics class study per week is 7.17.1.

population parameter

The heights of 55 out of the 3232 tomato plants at Mr. Lonardo's greenhouse.

population: The 32 tomato plants at Mr. Lonardo's greenhouse sample: The 5 tomato plants at Mr. Lonardo's greenhouse

Names of TV shows taped in New York are an example of which type of data?

qualitative

The number on the uniform of a football player

qualitative, neither, nominal

Your high school computed your rank in the high school class.

qualitative, neither, ordinal

Amounts of yearly rainfall in Miami over the last 55 years are an example of which type of data?

quantitative

The temperature in Celsius at different locations in an Italian city.

quantitative, continuous, interval

The amount of time each of five randomly selected basketball players play during a game.

quantitative, continuous, ratio

One form of is in the wording of survey questions a researcher has given to participants.

researcher bias

The heights of 55 out of the 3030 corn plants at Mr. Lonardo's greenhouse.

sample

A survey of 373373 people in the U.S. revealed that 66%66% of those surveyed eat while they drive.

sample statistic

A market researcher chooses twenty people at random from each class.

stratified sampling

First, the population is subdivided by city. Then a quality assurance analyst uses a random number generator to select twenty-five members from each city to study.

stratified sampling

The number of times 10 out of 2020 students on your floor order pizza in a week.

the 10 students on your floor