Question 1

A knowledge of statistics helps us make decisions based on __________ evidence.

Accepted Answer

A) logical 
B) unobserved 
C) possible 
D) empirical 
A) logical 
B) unobserved 
C) possible 
D) empirical D

Question 2

What is the larger group from which a sample is drawn?

Accepted Answer

A) sample group 
B) population 
C) median 
D) mode 
A) sample group 
B) population 
C) median 
D) mode B

Question 3

The average age of everyone in the class is an example of what type of statistics?

Accepted Answer

A) inferential 
B) mode 
C) median 
D) descriptive 
A) inferential 
B) mode 
C) median 
D) descriptive D

Question 4

Define descriptive statistics.

Accepted Answer

Descriptive statistics are use

Question 5

Inferential statistics involve _______ the data.

Accepted Answer

A) organizing 
B) balancing 
C) editing 
D) interpreting 
A) organizing 
B) balancing 
C) editing 
D) interpreting

Question 6

Today, statisticians in many different professional areas find themselves using _______ techniques to answer different questions.

Accepted Answer

A) varied 
B) new 
C) the same 
D) experimental 
A) varied 
B) new 
C) the same 
D) experimental

Question 7

What term is defined as a set of tools and techniques used for describing, organizing, and interpreting data?

Accepted Answer

A) inference 
B) population 
C) sample 
D) statistics 
A) inference 
B) population 
C) sample 
D) statistics

Question 8

When should inferential statistics typically be used?

Accepted Answer

A) before descriptive statistics 
B) after descriptive statistics 
C) at the same time as descriptive statistics 
D) never with descriptive statistics 
A) before descriptive statistics 
B) after descriptive statistics 
C) at the same time as descriptive statistics 
D) never with descriptive statistics

Question 9

Inferential statistics is most often used for which of the following?

Accepted Answer

A) summarizing data 
B) organizing data 
C) interpreting data 
D) collecting data 
A) summarizing data 
B) organizing data 
C) interpreting data 
D) collecting data

Question 10

One of the most basic ways to ensure some success in doing well in this course is to ______.

Accepted Answer

A) form a study group 
B) take notes 
C) talk to your friends 
D) look up in dictionary 
A) form a study group 
B) take notes 
C) talk to your friends 
D) look up in dictionary

Question 11

How are inferential statistics most often used?

Accepted Answer

A) to infer to the quality of data collected 
B) to organize and describe data 
C) to make inferences from the sample to the population 
D) to plot the data 
A) to infer to the quality of data collected 
B) to organize and describe data 
C) to make inferences from the sample to the population 
D) to plot the data

Question 12

In what century was the simplest test for examining differences between two groups first advanced?

Accepted Answer

A) 17th century 
B) 18th century 
C) 19th century 
D) 20th century 
A) 17th century 
B) 18th century 
C) 19th century 
D) 20th century

Question 13

_______ statistics are often (but not always) the next step after you have some basic understanding of data.

Accepted Answer

A) Descriptive 
B) Inferential 
C) Experimental 
D) Observational 
A) Descriptive 
B) Inferential 
C) Experimental 
D) Observational

Question 14

What type of statistics employs the use of sample data that is used to infer information about the population?

Accepted Answer

A) descriptive statistics 
B) ordinal statistics 
C) nominal statistics 
D) inferential statistics 
A) descriptive statistics 
B) ordinal statistics 
C) nominal statistics 
D) inferential statistics

Question 15

The past 100 years have seen numerous examples of new ways to use old ideas.

Accepted Answer

A) True 
 B)False

Question 16

Descriptive and inferential statistics work hand in hand, and which one you use and when depends on ______.

Accepted Answer

A) the question you want answered 
B) the methods you choose for investigation 
C) the sample you select 
D) the population you choose 
A) the question you want answered 
B) the methods you choose for investigation 
C) the sample you select 
D) the population you choose

Question 17

The study of statistics can be intimidating, but it can also be rewarding.Describe at least two benefits to your life as a student by engaging in the study of statistics.

Accepted Answer

The answer of The study of statistics can be intimidating,...

Question 18

When are descriptive measures most often used?

Accepted Answer

A) to describe how often something occurs 
B) to determine if a sample is representative of a population 
C) to predict an outcome 
D) to determine the effect of an intervention 
A) to describe how often something occurs 
B) to determine if a sample is representative of a population 
C) to predict an outcome 
D) to determine the effect of an intervention

Question 19

_______ statistics involve collecting, organizing, and summarizing data.

Accepted Answer

A) Experimental 
B) Descriptive 
C) Inferential 
D) Organizational 
A) Experimental 
B) Descriptive 
C) Inferential 
D) Organizational

Question 20

What is the small subset of the population from whom you collect data called?

Accepted Answer

A) population 
B) sample 
C) database 
D) group A 
A) population 
B) sample 
C) database 
D) group A

Exam 1: Statistics or Sadistics Its up to You

A knowledge of statistics helps us make decisions based on __________ evidence.

What is the larger group from which a sample is drawn?

The average age of everyone in the class is an example of what type of statistics?

Define descriptive statistics.

Inferential statistics involve _______ the data.

Today, statisticians in many different professional areas find themselves using _______ techniques to answer different questions.

What term is defined as a set of tools and techniques used for describing, organizing, and interpreting data?

When should inferential statistics typically be used?

Inferential statistics is most often used for which of the following?

One of the most basic ways to ensure some success in doing well in this course is to ______.

How are inferential statistics most often used?

In what century was the simplest test for examining differences between two groups first advanced?

_______ statistics are often (but not always) the next step after you have some basic understanding of data.

What type of statistics employs the use of sample data that is used to infer information about the population?

The past 100 years have seen numerous examples of new ways to use old ideas.

Descriptive and inferential statistics work hand in hand, and which one you use and when depends on ______.

The study of statistics can be intimidating, but it can also be rewarding.Describe at least two benefits to your life as a student by engaging in the study of statistics.

When are descriptive measures most often used?

_______ statistics involve collecting, organizing, and summarizing data.

What is the small subset of the population from whom you collect data called?

Means to an End: Computing and Understanding Averages

Vive La Différence: Understanding Variability

A Picture Really Is Worth a Thousand Words

Ice Cream and Crime: Computing Correlation Coefficients

Just the Truth: An Introduction to Understanding Reliability and Validity

Hypotheticals and You: Testing Your Questions

Are Your Curves Normal Probability and Why It Counts

Significantly Significant: What It Means for You and Me

Only the Lonely: The One Sample Z-Test

Tea for Two: Tests Between the Means of Different Groups

Tea for Two Again: Tests Between the Means of Related Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Cousins or Just Good Friends Testing Relationships Using Correlation Coefficient

Predicting Wholl Win the Super Bowl: Using Linear Regression

What to Do When Youre Not Normal: CHI-Square and Some Other Nonparametric Tests

Some Other Important Statistical Procedures You Should Know About

Data Mining: An Introduction to Getting the Most Out of Your Big Data

A Statistical Software Sampler

The Ten or More Best and Most Fun Internet Sites for Statistics Stuff

The Ten Commandments of Data Collection

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