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Answers by Melanie
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When should measures of location and dispersion be computed from grouped data rather than from individual data values?
answered
Aug 27, 2019
in
Data Science & Statistics
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3,922
views
location
dispersion
grouped-data
values
compute
1
like
0
dislike
In computing descriptive statistics from grouped data,
answered
Aug 27, 2019
in
Data Science & Statistics
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5,807
views
compute
descriptive-statistics
midpoint
ungrouped
6
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0
dislike
What is the difference between measures of central tendency and measures of dispersion?
answered
Aug 26, 2019
in
Data Science & Statistics
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46,837
views
measures
centrality
dispersion
mean
median
difference
1
like
0
dislike
What are the measures of central tendency in descriptive statistics?
answered
Aug 26, 2019
in
Data Science & Statistics
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2,287
views
descriptive-statistics
mean
centrality
median
1
like
0
dislike
Which descriptive statistics are measures of dispersion?
answered
Aug 26, 2019
in
Data Science & Statistics
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1,374
views
descriptive-statistics
dispersion
measure
range
1
like
0
dislike
The difference between the largest and the smallest data values is the
answered
Aug 26, 2019
in
Data Science & Statistics
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1,914
views
range
dispersion
iqr
variation
coefficient
2
like
0
dislike
A numerical value used as a summary measure for a sample, such as sample mean, is known as a
answered
Aug 26, 2019
in
Data Science & Statistics
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1,562
views
population-parameter
sample-parameter
sample-statistic
population-mean
0
like
0
dislike
Mu is an example of a
answered
Aug 26, 2019
in
Data Science & Statistics
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2,639
views
population-parameter
sample-parameter
variance
mode
0
like
0
dislike
What is the definition of probability?
answered
Aug 26, 2019
in
Data Science & Statistics
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178
views
mean
probability
definition
0
like
0
dislike
In statistics, what is a population?
answered
Aug 26, 2019
in
Data Science & Statistics
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839
views
population
sample
difference
1
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0
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The variance of a sample of 169 observations equals 576. The standard deviation of the sample equals:
answered
Aug 26, 2019
in
Data Science & Statistics
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12,960
views
variance
standard-deviation
statistic
calculate
0
like
0
dislike
The standard deviation of a sample of 100 observations equals 64. The variance of the sample equals
answered
Aug 26, 2019
in
Data Science & Statistics
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23,573
views
standard-deviation
calculate
variance
statistic
3
like
0
dislike
The variance of a sample of 81 observations equals 64. The standard deviation of the sample equals
answered
Aug 26, 2019
in
Data Science & Statistics
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19,658
views
standard-deviation
mean
variance
statistic
2
like
0
dislike
A numerical value used as a summary measure for a sample, such as sample mean, is known as a:
answered
Aug 26, 2019
in
Data Science & Statistics
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29,823
views
statistic
sample
population
parameter
0
like
0
dislike
The mean of a sample is
answered
Aug 26, 2019
in
Data Science & Statistics
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2,133
views
mean
sample
population
values
sum
1
like
0
dislike
If a data set has an even number of observations, the median
answered
Aug 26, 2019
in
Data Science & Statistics
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4,060
views
even
median
calculation
middle
0
like
0
dislike
What is metadata?
answered
Aug 26, 2019
in
Data Science & Statistics
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219
views
metadata
definition
descriptive-statistics
1
like
0
dislike
How do I calculate the inter-quartile range?
answered
Aug 26, 2019
in
Data Science & Statistics
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330
views
statistics
inter-quartile
range
dispersion
1
like
0
dislike
The difference between the largest and the smallest data values is called the:
answered
Aug 26, 2019
in
Data Science & Statistics
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5,248
views
range
dispersion
statistics
descriptive
0
like
0
dislike
What is a z-score?
answered
Aug 26, 2019
in
Data Science & Statistics
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278
views
standard-deviation
z-score
mean
normal-distribution
0
like
0
dislike
What is the relationship between standard deviation and variance?
answered
Aug 26, 2019
in
Data Science & Statistics
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2,253
views
statistics
variance
standard-deviation
dispersion
0
like
0
dislike
The value that has half of the observations above it and half the observations below it is called the
answered
Aug 26, 2019
in
Data Science & Statistics
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10,999
views
range
median
mean
mode
value
0
like
0
dislike
The most frequently occurring value of a data set is called the:
answered
Aug 26, 2019
in
Data Science & Statistics
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3,267
views
centrality
statistics
mode
median
mean
0
like
0
dislike
Which of the following is not a measure of central location?
answered
Aug 26, 2019
in
Data Science & Statistics
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4,217
views
mean
median
mode
variance
standard-deviation
3
like
0
dislike
Since the mode is the most frequently occurring data value, it
answered
Aug 26, 2019
in
Data Science & Statistics
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4,479
views
mode
mean
median
value
centrality
