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Analyzing Quantitative Research Data MCQ

The most common measures of variability are the variance and standard deviation.

True

False

Answer

Correct Answer: True

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In either grouped or ungrouped data, the most frequent attribute is the ______.

Mean

Mode

Median

Standard deviation

Answer

Correct Answer: Mode

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The College of Liberal Arts and Social Science at Wayne State University has nine departments. The number of faculty in each department is shown here: 8, 12, 9, 15, 17, 11, 13, 14, 7. What is the median number of faculty in departments in the College of Liberal Arts and Social Science?

4.5

5.7

Answer

Correct Answer: 12

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The most frequently used number in a database is the ______.

Mean

Median

Mode

Frequency

Answer

Correct Answer: Mode

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The ______ is known to visually depict relationships and patterns among variables.

Variance

Graph

Outliers

Quartiles

Answer

Correct Answer: Graph

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The ______ is the difference between the largest and the smallest numbers in the set.

Range

Mode

Median

Mean

Answer

Correct Answer: Range

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Creating a ______ will help a researcher observe the key characteristics of participants in the sample.

Histogram

Bar graph

Frequency distribution

Regression

Answer

Correct Answer: Frequency distribution

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The degree to which data in a data set spread out or deviate from the center is called variability.

True

False

Answer

Correct Answer: True

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If a researcher wishes to show multiple distributions in the same category simultaneously, which of the following is best suited for this?

Pie chart

Line graph

Regression

Bivariate table

Answer

Correct Answer: Line graph

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When distributions lack the perfect symmetry of having the mean, median, and mode in the center, and are symmetric in their shape when viewed as a histogram, what are they termed?

Normal distribution

Abnormal distribution

Frequency distribution

Skewed distribution

Answer

Correct Answer: Skewed distribution

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A researcher wants to express the middle of a distribution of numbers, such that half the cases are higher than and half lower than a certain number. The correct statistical measure to use would be the ______.

Median

Mean

Mode

Standard deviation

Answer

Correct Answer: Median

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The mean, median, and mode are all measures of central tendency used by researchers.

True

False

Answer

Correct Answer: True

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To measure how spread out a distribution is from the mean, a researcher would usually use the standard deviation and the variance.

True

False

Answer

Correct Answer: True

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Statistical analysis that allows scientists to confidently make accurate statements about a population is called ______.

Frequency distribution

Descriptive statistics

Univariate statistics

Inferential statistics

Answer

Correct Answer: Inferential statistics

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Which of the following is one advantage of using the cumulative percent?

Its ability to group aggregate numbers and group categories together to display the collective percentage of two or more categories together

Its cost effectiveness

Its time effectiveness

Its ability to be sensitive to the order of organization

Answer

Correct Answer: Its ability to group aggregate numbers and group categories together to display the collective percentage of two or more categories together

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A measure of how spread out every point in the variable is from the mean is known as ?

Variance

Permanence

Agreement

Concord

Answer

Correct Answer: Variance

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The analysis of only two variable; often descriptive in nature is known as Univariate Analysis.

True

False

Answer

Correct Answer: False

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Statistics is a branch of mathematics in which illogic is used to interpret phenomena and draw antechambers from accumulated data.

True

False

Answer

Correct Answer: False

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______from the mean is known as Standard Deviation .

Deviation

Statistics

Direction

None of these

Answer

Correct Answer: Deviation

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Asymmetrical distribution, in which the distribution is aligned to the left or right is known as Skewness .

True

False

Answer

Correct Answer: False

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Errors or mistakes that happen during data collection is known as sampling errors

True

False

Answer

Correct Answer: True

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______ is an imaginary line that best reflects the data points

Regression Line

Regression

Horizontal line

Vertical line

Answer

Correct Answer: Regression Line

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Identifies the line that best describes the relationship is known as regression

True

False

Answer

Correct Answer: True

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The difference between the maximum values in a set of numbers are known as range

True

False

Answer

Correct Answer: False

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Random Error that happens _______during the process of handling data

Randomly

Systematically

Consistently

Impartially

Answer

Correct Answer: Randomly

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Random Error that happens _______during the process of handling data

Randomly

Systematically

Consistently

Impartially

Answer

Correct Answer: Randomly

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Division of a distribution into quarters are known as Quartiles

True

False

Answer

Correct Answer: True

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A graphical representation of the distribution of ______variable is known as Pie Chart

One

Two

Three

Four

Answer

Correct Answer: One

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Outliers are extreme values in a variable either only too high.

True

False

Answer

Correct Answer: True

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Number that occurs with the lowest frequency in a distribution is known as mode

True

False

Answer

Correct Answer: False

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Middle point in a distribution is known as median

True

False

Answer

Correct Answer: True

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Measures of Central Tendency summarize an entire variable in a double value that is numerically representative of this variable.

True

False

Answer

Correct Answer: False

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A line connecting points in a distribution is known as ?

Line Graph

Pie Chart

Line Graph or Chart

Area Chart

Answer

Correct Answer: Line Graph

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Analysis that provides a deeper understanding of variables because it draws conclusions about the population from the sample is known as______Analysis

Inferential

Implicit

Definite

Both a and b

Answer

Correct Answer: Both a and b

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________ is a graphical representation that presents the frequency of a variable in the form of distinct but connected bars

Cumulative Percent

Descriptive Analysis

Frequency Distribution

Histogram

Answer

Correct Answer: Histogram

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A simple procedure that can illustrate key characteristics of participants in the sample is known as ?

Cumulative Percent

Descriptive Analysis

Frequency Distribution

Histogram

Answer

Correct Answer: Frequency Distribution

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________ analysis that allows researchers to sketch the details of variables and gain familiarity with the sample

Cumulative Percent

Descriptive Analysis

Frequency Distribution

Histogram

Answer

Correct Answer: Descriptive Analysis

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The collective percentage of categories together is known as ?

Cumulative Percent

Descriptive Analysis

Frequency Distribution

Histogram

Answer

Correct Answer: Cumulative Percent

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Correlation is used to determine the extent to which five quantitative variables approximate a linear relationship is known as Correlation .

True

False

Answer

Correct Answer: False

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Used to investigate the relationship between one variable is known as Bivariate Analysis.

True

False

Answer

Correct Answer: False

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A graphical representation that uses vertical bars to represent each variable is known as Bar Graph?

True

False

Answer

Correct Answer: True

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More Research Methods Subjects

Purpose of Research

Formulating a Research Question

Researching and Writing the Literature Review

Quantitative Designs of Research

Measurement Errors, Reliability, Validity of Research

Sampling in Research

Data Collection for Quantitative Research

Secondary Data Research

Entering and Organizing Quantitative Research Data

Qualitative Designs And Data Collection

Entering, Coding, and Analyzing Qualitative Research Data

Results and Discussion Method

Presenting Research

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Research Methods Skill Assessment

Research Methods PDF

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