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Statistics MCQ

Univariate is a term that usually indicates a single dependent variable is the focus of study, although multiple independent variables may be involved.

True

False

Answer

Correct Answer: True

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A horizontal representation of a frequency distribution where all of the individual scores are preserved is known as_____

Skewed curve

Normal curve

Stem and leaf plot

None of these

Answer

Correct Answer: Stem and leaf plot

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An asymmetrical frequency distribution where either the right tail or the left tail is much longer than the other is known as_____

Stem and leaf plot

Bell shaped curve

Hyperbola

Skewed distribution

Answer

Correct Answer: Skewed distribution

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Quartiles is a frequency distribution that is divided into_____

Fourths

Eights

Forties

All of these

Answer

Correct Answer: All of these

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Positive skew is an asymmetrical frequency distribution whose right tail is longer than the left tail.

True

False

Answer

Correct Answer: True

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Platykurtosis is a frequency distribution that has a tendency _____

Toward peakedness

Toward flatness

Of equal distribution

All of these

Answer

Correct Answer: Toward flatness

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Percentiles is a distribution that is _____ into hundredths.

Added

Multiplied

Divided

Any of these

Answer

Correct Answer: Divided

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The shape of normal curve resembles_____

Box

Bell

Ball

All of these

Answer

Correct Answer: Bell

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Negative skew is an asymmetrical frequency distribution whose right tail is longer than the left tail.

True

False

Answer

Correct Answer: False

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Multivariate indicates _____

Multiple independent variables

Multiple dependent variables

Both

None

Answer

Correct Answer: Both

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Mesokurtosis is a frequency distribution that is_____

Toward peakedness

Toward flatness

Of equal distribution

All of these

Answer

Correct Answer: Of equal distribution

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Leptokurtosis is a frequency distribution that has a tendency_____

Toward peakedness

Toward flatness

Of equal distribution

All of these

Answer

Correct Answer: Toward peakedness

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Kurtosis is the _____ of the overall shape of a frequency distribution.

Peakedness

Flatness

Both

None

Answer

Correct Answer: Both

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A graphic representation of a frequency distribution where the individual scores are grouped into class intervals is known as_____

Frequency polygon

Frequency histogram

Frequency bar graph

None of these

Answer

Correct Answer: Frequency polygon

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Frequency histogram is a graphic representation of a set of scores where the individual scores are represented by a_____ whose height corresponds to the frequency of the score.

Line

Dot

Bar

All of these

Answer

Correct Answer: Bar

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Frequency distribution is a set of scores arranged in order of _____ along the x-axis, with the frequency of each score represented along the y-axis.

Interval

Magnitude

Percentile

None of these

Answer

Correct Answer: Magnitude

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Cumulative frequency is the frequency distribution where the distribution of scores is progressively represented by the _____

Discrete frequency

Total frequency

Both

None

Answer

Correct Answer: Total frequency

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Bimodal distribution is a frequency distribution that has distinct twin peaks that do not need to be the exact same height.

True

False

Answer

Correct Answer: True

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Bar graph is a graph that often represents nominal data in_____

Lines

Dots

Rectangular columns

All of these

Answer

Correct Answer: Rectangular columns

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