Elementary Stats, Ch3: Data Description (Vocab)
Quiz
•
Mathematics
•
University
•
Practice Problem
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Hard
Richard Martinez
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29 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does "Bimodal" refer to in a data set or distribution?
A data set with one distinct peak or mode.
A data set with two distinct peaks or modes.
A data set with multiple peaks or modes.
A data set with no distinct peaks or modes.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is a "Boxplot" used to graphically represent?
The mean and standard deviation of a data set.
The range and mode of a data set.
The five-number summary of a data set.
The variance and coefficient of variation of a data set.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chebyshev's Theorem states that for any set of data, the proportion of observations within k standard deviations of the mean is at least:
1 - 1/k
1 - 1/k^2
k - 1/k^2
k/(k+1)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The "Coefficient of Variation" is a measure of:
Absolute variability.
Relative variability.
Central tendency.
Symmetry in data distribution.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does "Data Array" refer to?
A graphical representation of data.
A measure of central tendency.
A collection of data values arranged in a specific order.
A statistical method for hypothesis testing.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is a "Decile" in the context of statistical measures?
A measure that divides a data set into ten equal parts.
A measure that divides a data set into four equal parts.
A measure that divides a data set into 100 equal parts.
A measure that divides a data set into two equal parts.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The "Empirical Rule" is also known as the:
50-75-100 rule.
68-95-99.7 rule.
70-95-99.5 rule.
60-80-90 rule.
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