Question 1

A measure of variation that looks at the upper limit in a distribution minus the true lower limit is?

Accepted Answer

A) IQR 
B) range 
C) variance 
D) standard deviation 
A) IQR 
B) range 
C) variance 
D) standard deviation

Question 2

For the set of numbers 4,6,7,6,2,3,4,6,2,5,the mode is ______.

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 9 
A) 2 
B) 4 
C) 6 
D) 9

Question 3

The square root of the average squared deviation of each case from the mean is ______.

Accepted Answer

A) variance 
B) skewness 
C) normal distribution 
D) standard deviation 
A) variance 
B) skewness 
C) normal distribution 
D) standard deviation

Question 4

Three features of a distribution's shape are ______.

Accepted Answer

A) variability,compression,and distribution 
B) variability,frequency,and distribution 
C) central tendency,variability,and skewness 
D) mode,median,and mean 
A) variability,compression,and distribution 
B) variability,frequency,and distribution 
C) central tendency,variability,and skewness 
D) mode,median,and mean

Question 5

Consider the use of bar charts,histograms,and frequency polygons.When are each appropriate? Sketch each type of graph.What standards exist for presenting graphic data in social research?

Accepted Answer

A bar graph is a good tool for displayin

Question 6

All of the following are ways of defining the median of a distribution EXCEPT ______.

Accepted Answer

A) the position average 
B) the point that divides the distribution in half 
C) the 50th percentile 
D) the arithmetic average 
A) the position average 
B) the point that divides the distribution in half 
C) the 50th percentile 
D) the arithmetic average

Question 7

An alternative to the histogram,which is particularly useful for displaying variables with a wide range of values,is a ______.

Accepted Answer

A) bar chart 
B) pie chart 
C) categorical chart 
D) frequency polygon 
A) bar chart 
B) pie chart 
C) categorical chart 
D) frequency polygon

Question 8

The process of introducing a third variable into an analysis to better understand the bivariate (two-variable)relationship under consideration is called ______.

Accepted Answer

A) specification 
B) $\chi$2 analysis 
C) elaboration analysis 
D) correlational analysis 
A) specification 
B) $\chi$2 analysis 
C) elaboration analysis 
D) correlational analysis

Question 9

Describe circumstances in which mean,median,and mode are best used as measures of central tendency,providing at least two concrete examples for each.

Accepted Answer

Mean--the arithmetic,or weighted,average

Question 10

Which of the following are statistical measures of variation?

Accepted Answer

A) mean,median,and mode 
B) variance and standard deviation 
C) $\gamma$ and chi square 
D) highest and lowest value 
A) mean,median,and mode 
B) variance and standard deviation 
C) $\gamma$ and chi square 
D) highest and lowest value

Question 11

In a normal curve,roughly what percentage of all cases fall within plus or minus 2 standard deviations?

Accepted Answer

A) 10% 
B) 25% 
C) 68% 
D) 95% 
A) 10% 
B) 25% 
C) 68% 
D) 95%

Question 12

Which of the following are used to summarize the central tendency of quantitative variables?

Accepted Answer

A) mean and mode 
B) variance and range 
C) $\gamma$ and $\chi$2 
D) median and mean 
A) mean and mode 
B) variance and range 
C) $\gamma$ and $\chi$2 
D) median and mean

A measure of variation that looks at the upper limit in a distribution minus the true lower limit is?

For the set of numbers 4,6,7,6,2,3,4,6,2,5,the mode is ______.

The square root of the average squared deviation of each case from the mean is ______.

Three features of a distribution's shape are ______.

Consider the use of bar charts,histograms,and frequency polygons.When are each appropriate? Sketch each type of graph.What standards exist for presenting graphic data in social research?

All of the following are ways of defining the median of a distribution EXCEPT ______.

An alternative to the histogram,which is particularly useful for displaying variables with a wide range of values,is a ______.

The process of introducing a third variable into an analysis to better understand the bivariate (two-variable)relationship under consideration is called ______.

Describe circumstances in which mean,median,and mode are best used as measures of central tendency,providing at least two concrete examples for each.

Which of the following are statistical measures of variation?

In a normal curve,roughly what percentage of all cases fall within plus or minus 2 standard deviations?

Which of the following are used to summarize the central tendency of quantitative variables?

The Science, society, and Social Research

The Process and Problems of Social Research

Research Ethics and Research Proposals

Conceptualization and Measurement

Sampling and Generalizability

Research Design and Causation

Experiments

Survey Research

Qualitative Methods

Qualitative Data Analysis

Mixed Methods

Evaluation and Policy Research

Research Using Secondary Data and Big Data

Research Using Historical and Comparative Data and Content Analysis

Summarizing and Reporting

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Exam 9: Quantitative Data Analysis

A measure of variation that looks at the upper limit in a distribution minus the true lower limit is?

For the set of numbers 4,6,7,6,2,3,4,6,2,5,the mode is ______.

The square root of the average squared deviation of each case from the mean is ______.

Three features of a distribution's shape are ______.

Consider the use of bar charts,histograms,and frequency polygons.When are each appropriate? Sketch each type of graph.What standards exist for presenting graphic data in social research?

All of the following are ways of defining the median of a distribution EXCEPT ______.

An alternative to the histogram,which is particularly useful for displaying variables with a wide range of values,is a ______.

The process of introducing a third variable into an analysis to better understand the bivariate (two-variable)relationship under consideration is called ______.

Describe circumstances in which mean,median,and mode are best used as measures of central tendency,providing at least two concrete examples for each.

Which of the following are statistical measures of variation?

In a normal curve,roughly what percentage of all cases fall within plus or minus 2 standard deviations?

Which of the following are used to summarize the central tendency of quantitative variables?

The Science, society, and Social Research

The Process and Problems of Social Research

Research Ethics and Research Proposals

Conceptualization and Measurement

Sampling and Generalizability

Research Design and Causation

Experiments

Survey Research

Qualitative Methods

Qualitative Data Analysis

Mixed Methods

Evaluation and Policy Research

Research Using Secondary Data and Big Data

Research Using Historical and Comparative Data and Content Analysis

Summarizing and Reporting

Filters