Question 1

Scores on seven quizzes: 25, 23, 22, 17, 5, 42, 105. What is the median quiz score?

Accepted Answer

A)  22 
B)  23 
C)  5 
D)  42 
E)  17 
A)  22 
B)  23 
C)  5 
D)  42 
E)  17

Question 2

Match the concept with the definition.
-Normal distribution

Accepted Answer

A)  A distribution of adjacent bars 
B)  A bell-shaped distribution centered on the mean 
C)  A continuous line connecting points that represent the number or percentage of cases at each value 
D)  A distribution containing solid bars separated by spaces 
A)  A distribution of adjacent bars 
B)  A bell-shaped distribution centered on the mean 
C)  A continuous line connecting points that represent the number or percentage of cases at each value 
D)  A distribution containing solid bars separated by spaces

Question 3

If the order of a variable's categories is arbitracy, which of the following is used to summarize the central tendency of quantitative variables?

Accepted Answer

A)  Mean 
B)  Mode 
C)  Median 
D)  Mean and Mode 
A)  Mean 
B)  Mode 
C)  Median 
D)  Mean and Mode

Question 4

A unimodal distribution has:

Accepted Answer

A)  No probability average. 
B)  A normal distribution. 
C)  A single most frequent value in the distribution. 
D)  68 percent of the cases within one standard deviation from the mean. 
A)  No probability average. 
B)  A normal distribution. 
C)  A single most frequent value in the distribution. 
D)  68 percent of the cases within one standard deviation from the mean.

Question 5

Level of measurement is essential to determine the appropriate statistical test.

Accepted Answer

A) True 
 B)False

Question 6

For questions refer to the following table: Drug use by educational level
  
-In this table, what percentage of persons uses drug users?

Accepted Answer

A)  40% 
B)  42% 
C)  50% 
D)  60% 
E)  38% 
A)  40% 
B)  42% 
C)  50% 
D)  60% 
E)  38%

Question 7

Match the concept with the definition.
-Standard deviation

Accepted Answer

A)  The highest value in a distribution minus the lowest value plus one 
B)  The most frequent value in a distribution 
C)  The point that divides the distribution in half 
D)  The average squared deviation of each case from the mean 
E)  The arithmetic average of the distribution 
A)  The highest value in a distribution minus the lowest value plus one 
B)  The most frequent value in a distribution 
C)  The point that divides the distribution in half 
D)  The average squared deviation of each case from the mean 
E)  The arithmetic average of the distribution

Scores on seven quizzes: 25, 23, 22, 17, 5, 42, 105. What is the median quiz score?

Match the concept with the definition. -Normal distribution

If the order of a variable's categories is arbitracy, which of the following is used to summarize the central tendency of quantitative variables?

A unimodal distribution has:

Level of measurement is essential to determine the appropriate statistical test.

For questions refer to the following table: Drug use by educational level -In this table, what percentage of persons uses drug users?

Match the concept with the definition. -Standard deviation

Science, Society, and Social Work Research

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Exam 14: Quantitative Data Analysis

Scores on seven quizzes: 25, 23, 22, 17, 5, 42, 105. What is the median quiz score?

Match the concept with the definition. -Normal distribution

If the order of a variable's categories is arbitracy, which of the following is used to summarize the central tendency of quantitative variables?

A unimodal distribution has:

Level of measurement is essential to determine the appropriate statistical test.

For questions refer to the following table: Drug use by educational level -In this table, what percentage of persons uses drug users?

Match the concept with the definition. -Standard deviation

Science, Society, and Social Work Research

The Process of Social Work Research

Ethical and Scientific Guidelines for Social Work Research

Measurement

Sampling

Causation and Research Design

Group Experimental Designs

Single-Subject Design

Survey Research

Qualitative Methods

Qualitative Data Analysis

Secondary Data Analysis and Mixed Methods

Evaluation Research

Reporting Research

Filters