Question 1

What is another phrase used to describe a bell-shaped curve?

Accepted Answer

A)  average curve 
B)  regular-shaped curve 
C)  normal curve 
D)  elliptical curve 
A)  average curve 
B)  regular-shaped curve 
C)  normal curve 
D)  elliptical curve C

Question 2

Which is NOT one of the Ten Commandments of data collection?

Accepted Answer

A)  think of the type of data you will be collecting 
B)  think about where you are getting the data 
C)  make sure the data collection form is easy to use 
D)  destroy original data when your study is finished 
A)  think of the type of data you will be collecting 
B)  think about where you are getting the data 
C)  make sure the data collection form is easy to use 
D)  destroy original data when your study is finished D

Question 3

Which measure of central tendency is most often used when the data has extreme scores?

Accepted Answer

A)  median 
B)  mean 
C)  midpoint 
D)  mode 
A)  median 
B)  mean 
C)  midpoint 
D)  mode A

Question 4

Which is a pitfall of using an optical scanner?

Accepted Answer

A)  It is fast. 
B)  It is accurate. 
C)  It is expensive. 
D)  It can provide additional analysis of items. 
A)  It is fast. 
B)  It is accurate. 
C)  It is expensive. 
D)  It can provide additional analysis of items.

Question 5

What is the best code to use when coding gender?

Accepted Answer

A)  male, female 
B)  1, 2 
C)  M, F 
D)  Joe, Jane 
A)  male, female 
B)  1, 2 
C)  M, F 
D)  Joe, Jane

Question 6

What is another way the mode can be described?

Accepted Answer

A)  divides the sample in half 
B)  averages the test scores 
C)  occurs most frequently 
D)  tells how much variability there is in the test scores 
A)  divides the sample in half 
B)  averages the test scores 
C)  occurs most frequently 
D)  tells how much variability there is in the test scores

Question 7

You are interviewing classmates to find out their political party affiliation. When you chose the measure of central tendency to use in presenting your results, which should you choose?

Accepted Answer

A)  range 
B)  mode 
C)  median 
D)  mean 
A)  range 
B)  mode 
C)  median 
D)  mean

Question 8

In a set of scores with a mean of 50 and a standard deviation of 5, what raw score is represented by a z-score of 1.00?

Accepted Answer

A)  30 
B)  55 
C)  60 
D)  20 
A)  30 
B)  55 
C)  60 
D)  20

Question 9

Which of the following is NOT a step in data collection?

Accepted Answer

A)  the collection of data 
B)  the designation of a coding strategy 
C)  the construction of a data collection form 
D)  the selection of a sample 
A)  the collection of data 
B)  the designation of a coding strategy 
C)  the construction of a data collection form 
D)  the selection of a sample

Question 10

Why should we use standard scores instead of raw scores?

Accepted Answer

Standard scores, also known as z-scores,

Question 11

Which measure would be used to determine the average age of college freshmen?
a) mean
b) mode
c) median
d) standard deviation

Accepted Answer

The answer of Which measure would be used to determine...

Question 12

What do you call research data that has not been analyzed and is still in an unorganized format?

Accepted Answer

A)  raw data 
B)  research data 
C)  data points 
D)  descriptive data 
A)  raw data 
B)  research data 
C)  data points 
D)  descriptive data

Question 13

How can descriptive statistics be defined?

Accepted Answer

A)  describing elements of a distribution 
B)  relating the data to a larger population 
C)  developing a research question 
D)  identical to inferential statistics 
A)  describing elements of a distribution 
B)  relating the data to a larger population 
C)  developing a research question 
D)  identical to inferential statistics

Question 14

What is the range of 5, 8, 10, 14, and 11?

Accepted Answer

A)  48 
B)  9.6 
C)  10 
D)  9 
A)  48 
B)  9.6 
C)  10 
D)  9

Question 15

In a normal distribution, what percentage of scores fall between the mean and a z-score of +1.00?

Accepted Answer

A)  16% 
B)  34% 
C)  50% 
D)  95% 
A)  16% 
B)  34% 
C)  50% 
D)  95%

Question 16

What is the mode of 1, 1, 3, 4, 6?

Accepted Answer

A)  15 
B)  1 
C)  3 
D)  2 
A)  15 
B)  1 
C)  3 
D)  2

Question 17

When computing the standard deviation, what does it mean when the sum of the deviation about the mean is NOT 0?

Accepted Answer

A)  The data set has a great amount of variability. 
B)  The data set has at least one extreme score. 
C)  The data is too small. 
D)  The mean of the data set was computed incorrectly. 
A)  The data set has a great amount of variability. 
B)  The data set has at least one extreme score. 
C)  The data is too small. 
D)  The mean of the data set was computed incorrectly.

Question 18

Give an example of when you would use the median as the measure of central tendency.

Accepted Answer

The median is often used as the measure

Question 19

What is the average amount that each score varies from the mean of the set of scores?

Accepted Answer

A)  the range 
B)  the standard deviation 
C)  the mean 
D)  the normal curve 
A)  the range 
B)  the standard deviation 
C)  the mean 
D)  the normal curve

Question 20

When a normal distribution is represented by a histogram, where would most scores fall?

Accepted Answer

A)  in the extremes of the distribution 
B)  in the middle of the distribution 
C)  outside of the distribution 
D)  on the high end of the distribution 
A)  in the extremes of the distribution 
B)  in the middle of the distribution 
C)  outside of the distribution 
D)  on the high end of the distribution

What is another phrase used to describe a bell-shaped curve?

Which is NOT one of the Ten Commandments of data collection?

Which measure of central tendency is most often used when the data has extreme scores?

Which is a pitfall of using an optical scanner?

What is the best code to use when coding gender?

What is another way the mode can be described?

You are interviewing classmates to find out their political party affiliation. When you chose the measure of central tendency to use in presenting your results, which should you choose?

In a set of scores with a mean of 50 and a standard deviation of 5, what raw score is represented by a z-score of 1.00?

Which of the following is NOT a step in data collection?

Why should we use standard scores instead of raw scores?

Which measure would be used to determine the average age of college freshmen? a) mean b) mode c) median d) standard deviation

What do you call research data that has not been analyzed and is still in an unorganized format?

How can descriptive statistics be defined?

What is the range of 5, 8, 10, 14, and 11?

In a normal distribution, what percentage of scores fall between the mean and a z-score of +1.00?

What is the mode of 1, 1, 3, 4, 6?

When computing the standard deviation, what does it mean when the sum of the deviation about the mean is NOT 0?

Give an example of when you would use the median as the measure of central tendency.

What is the average amount that each score varies from the mean of the set of scores?

When a normal distribution is represented by a histogram, where would most scores fall?

The Role and Importance of Research

The Research Process: Coming to Terms

A: Selecting a Problem and Reviewing the Research

B: Ethics: the Basic Principles

Sampling and Generalizability

Measurement, Reliability, and Validity

Methods of Measuring Behavior

Introducing Inferential Statistics

Nonexperimental Research: Descriptive and Correlational Methods

Nonexperimental Research: Qualitative Methods

Pre- and True Experimental Research Methods

Quasi-Experimental Research: a Close Cousin to Experimental Research

Writing a Research Proposal

Writing a Research Manuscript

Filters

Exam 7: Data Collection and Descriptive Statistics

What is another phrase used to describe a bell-shaped curve?

Which is NOT one of the Ten Commandments of data collection?

Which measure of central tendency is most often used when the data has extreme scores?

Which is a pitfall of using an optical scanner?

What is the best code to use when coding gender?

What is another way the mode can be described?

You are interviewing classmates to find out their political party affiliation. When you chose the measure of central tendency to use in presenting your results, which should you choose?

In a set of scores with a mean of 50 and a standard deviation of 5, what raw score is represented by a z-score of 1.00?

Which of the following is NOT a step in data collection?

Why should we use standard scores instead of raw scores?

Which measure would be used to determine the average age of college freshmen? a) mean b) mode c) median d) standard deviation

What do you call research data that has not been analyzed and is still in an unorganized format?

How can descriptive statistics be defined?

What is the range of 5, 8, 10, 14, and 11?

In a normal distribution, what percentage of scores fall between the mean and a z-score of +1.00?

What is the mode of 1, 1, 3, 4, 6?

When computing the standard deviation, what does it mean when the sum of the deviation about the mean is NOT 0?

Give an example of when you would use the median as the measure of central tendency.

What is the average amount that each score varies from the mean of the set of scores?

When a normal distribution is represented by a histogram, where would most scores fall?

The Role and Importance of Research

The Research Process: Coming to Terms

A: Selecting a Problem and Reviewing the Research

B: Ethics: the Basic Principles

Sampling and Generalizability

Measurement, Reliability, and Validity

Methods of Measuring Behavior

Introducing Inferential Statistics

Nonexperimental Research: Descriptive and Correlational Methods

Nonexperimental Research: Qualitative Methods

Pre- and True Experimental Research Methods

Quasi-Experimental Research: a Close Cousin to Experimental Research

Writing a Research Proposal

Writing a Research Manuscript

Filters