statistics

Population parameter

65% of all students at the local university voted in the last election. The numerical value describes a population parameter or sample stat?

Descriptive

74% of all seniors at your school reside off campus. Descriptive or inferential?

Observational

A car wash operator wants to identify his average annual profits. Observational or experimental

Nonadherent

A participant who does not follow the instructions for a study.

Control group

A study is done an a new drug designed to lower blood pressure. There are individuals involved in the study who have high blood pressure but are not given the drug.

Double-blinded

An experiment in which both nurses and participants do not know whether the participant is in the treatment group or the control group is?

double-blind study

An experiment in which neither the participant nor the researcher knows whether the participant has received the treatment or the placebo

meta-analysis

An underwriter studies five weather reports from hurricanes to compare for common factors. Meta-analysis or case study?

Interval level

Birth years of your college professors. Level of measurement?

Qualitative

Candy choices at the theater? Quantitative or qualitative?

Quantitative

Class sizes of various sections of college algebra at your university. Quantitative or qualitative?

Processing error

Errors that appear when data are entered inattentively are examples of?

Processing errors

Errors that occur when results from the study are tabulated incorrectly?

Nominal level

Favorite category of movies reported in a survey. Level of measurement?

Bias

Favoritism, partiality, and preconceived notions are types of?

Case study

Fifteen fish caught in a bay are measured to determine the overall health of the fish in the bay. Meta-analysis or case study?

Census

For budget purposes, a financial advisor needs to know the average length of tenure of instructors at their college.

Response bias

If a participant makes up an answer to show themselves in a better light is known as?

Nonresponse bias

If a participant skips hard to answer questions in a survey, it causes?

Sampling bias

If the sample chosen from a population does not accurately represent the population, this is known as?

Quantitative

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

Ratio level

Number of eight-inch square tiles required to cover any given bathroom floor. Level of measurement?

Researcher bias

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

Ordinal level

Political orientation as reported by students in a political science class (left, right, center). Level of measurement?

Ordinal level

Ranks for members of the United States Army. Level of measurement?

Interval level

Release years of a list of 100 of the greatest rock albums of all times? Level of measurement?

single-blinded experiment

Researchers are invest. a gluten free dies and providing meals to participants. The participants are not told if their meals contain gluten. What is this scenario called?

Ordinal, quantitative

Researchers decide to interview viewers to see how they would rate a particular movie. Table lists responses from 25 viewers. Level of measurement? qualitative or quantitative? Table shows awful to great reactions.

Census

Select each member of the population. Sampling technique?

Quantitative, discrete, interval

The IQ scores of students at the local college. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data.

Population

The amount of money each person in your physics class spends on music in a month. Population or sample?

Population

The amount of money each person in your psych class spends on clothes in a month? Population or sample?

Population

The amount of money each person in your statistics class spends on books each semester. What does the statement describe? Population or statistic?

Descriptive

The average number of hours students in your statistics class study per week is 17.4. descriptive or inferential?

The 23 professors at the local college

The price of homes of a sample of 23 professors at the local college. Sample?

Not discrete or continuous

Types of movies people go to see. Discrete or continuous?

Continuous

Weights of animals are an example of which type of data? Continuous or discrete?

Sampling bias

What may occur if the chosen sample is too small for a study?

placebo effect

experimental results caused by expectations alone; any effect on behavior caused by the administration of an inert substance or condition, which the recipient assumes is an active agent.

Response bias

what occurs when a participant gives a response that they think is desired by a researcher?

Institutional Review Board

what will require researchers to fill out documents describing their proposed study in detail.

Stratified sampling

A pollster chooses one person at random from each class. Type of sampling?

Cluster sampling

A pollster interviewed each member from each of the fifteen randomly chosen zoning districts in a town. Type of sampling?

All pepper plants at Mr.Lonardos greenhouse

The heights of 15 out of the 23 pepper plants at Mr.Lonardos greenhouse. What is the population?

Ratio level

The monthly amount of rain in Seattle over 10 years. Level of measurement?

Census

A poll of each member of the entire sampling frame?

Cluster sampling

A pollster interviews each member from each of the five randomly chosen neighborhoods throughout a city. Sampling technique?

Qualitative, neither, ordinal

A company is evaluating customer satisfaction with one of their products. A survey of 400 persons is conducted. Each person is asked: "What is your level of satisfaction with the company's products?" 1) Poor 2) Average 3) Good 4) Excellent Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data.

Observational

A deli cart entrepreneur wants to find out if her consumer base is shrinking. Study?

Meta-analysis

A town council reviewed five newspaper articles about crime prevention. One variable is examined over several studies. Type of study?

Stratified sampling

First, the population is subdivided by class. Then, a college student uses a random number generator to select ten members from each class to study. Type of sampling?

Sample

The midterm exam scores of 6 out of the 20 students in your chemistry class. What does the statement describe? Population or sample?

The 12 children in Mrs.Smiths kindergarten class.

The number of hours a group of 12 children in Mrs.Smith kindergarten class sleep in a day. Sample?

Researcher bias

What occurs if a researcher intentionally chooses a favorite sample?

Participation bias

When many participants in a study have strong opinions, what could occur?

Observational

A gas station owner wants to find out whether customers are satisfied with the service they receive. Observational or experimental?

Observational

A general manager of a restaurant wants to study if her customer base is shrinking. Observational or experimental?

Stratified sampling

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

cross-sectional study

A political wants to determine his constituents opinions on an addendum coming up for a vote. A professor gives a quiz to her class to determine what topics they are struggling with. Study type?

Case study

A pollster selects fifteen voters from each voting percent for an exit poll. Study?

Cluster sampling

A random number generator is used to choose fifty cities. Then a biologist collects data from each person in these cities. Type of sampling?

Cluster sampling

A random number generator is used to choose five classes. Then a college student collects data from each person in these classes. Sample technique?

Participation bias

A self-selected survey is especially prone to?

Single-blinded experiment

A study is done an a new drug designed to lower blood pressure. Individuals with high blood pressure are selected for the study and some are given pills containing the drugs while others are given a placebo. The participants are not told whether they are taking the drug or not.

Stratified sampling

First, the population is subdivided by metropolitan area. Then a crime researcher uses a random number generator to select twenty-five members from each metropolitan area to study. Sampling technique?

Census

For tax purposes, a college president needs to know the average cost of health plans of instructors at their college. Sampling technique?

Neither

Genders are an example of which type of data? Neither, discrete, or continuous?

The 4 children selected in the class

The number of hours a group of 4 children in Mrs.Smiths kindergarten class play outside in a day. Sample?

Discrete

The number of questions answered correctly by various students on a ten questions quiz. Discrete or continuous?

Nonresponse bias

When people with more neutral opinions on a subject choose not to participate in a survey is known as?

Dropout

When too many participants decide to quit an experiment, then the sample may no longer represent the population.

Dropout

When too many participants decide to quit an experiment, then the sample may no longer represent the population?

Nominal level

Young kids answers to the question, "what do you want to be when you grow up?" Level of measurement?

Nonadherant

a participant who does not follow the instructions for a study.

inferential statistics

A recent poll of 2,707 home owners in Michigan showed that the average price of a house in the US is $265,000. Descriptive or inferential stat?

sample statistic

A recent poll of 3,798 corporate executives showed that the average price of their car is $31,200. The numerical value describes a sample statistic or population parameter?

Cluster sampling

A school administrator interviews each member from each of the ten randomly chosen zoning districts in town. Type of sampling?

Qualitative, neither, ordinal

A supervisor mist give a summary evaluation rating from among the choices: 1.Poor, 2.Fair, 3.Good, 4.Very good, 5.Excellent. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data.

sample statistic

A survey of 1,910 people in the US revealed that 73% of those surveyed work a full time job. What does the numerical value describe? Population parameter or sample stat?

continuous

Heights of men entering the US marine corps. Continuous or discrete data?

Quantitative

Heights of sunflowers in a garden are an example of which type of data?

Quantitative, discrete, interval

IQ scores of students at the local college. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data.

Discrete

IQ scores, reported in whole numbers, of research scientists are an example of which type of data?