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2
answers
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
|
3,925
views
location
dispersion
grouped-data
values
compute
2
answers
In computing descriptive statistics from grouped data,
answered
Aug 27, 2019
in
Data Science & Statistics
|
5,813
views
compute
descriptive-statistics
midpoint
ungrouped
3
answers
What is the difference between measures of central tendency and measures of dispersion?
answered
Aug 26, 2019
in
Data Science & Statistics
|
46,875
views
measures
centrality
dispersion
mean
median
difference
6
answers
What are the measures of central tendency in descriptive statistics?
answered
Aug 26, 2019
in
Data Science & Statistics
|
2,293
views
descriptive-statistics
mean
centrality
median
3
answers
Which descriptive statistics are measures of dispersion?
answered
Aug 26, 2019
in
Data Science & Statistics
|
1,376
views
descriptive-statistics
dispersion
measure
range
2
answers
The difference between the largest and the smallest data values is the
answered
Aug 26, 2019
in
Data Science & Statistics
|
1,919
views
range
dispersion
iqr
variation
coefficient
1
answer
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
|
1,565
views
population-parameter
sample-parameter
sample-statistic
population-mean
3
answers
Mu is an example of a
answered
Aug 26, 2019
in
Data Science & Statistics
|
2,642
views
population-parameter
sample-parameter
variance
mode
3
answers
What is the definition of probability?
answered
Aug 26, 2019
in
Data Science & Statistics
|
178
views
mean
probability
definition
2
answers
In statistics, what is a population?
answered
Aug 26, 2019
in
Data Science & Statistics
|
840
views
population
sample
difference
3
answers
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
|
12,973
views
variance
standard-deviation
statistic
calculate
3
answers
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
|
23,591
views
standard-deviation
calculate
variance
statistic
5
answers
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
|
19,669
views
standard-deviation
mean
variance
statistic
3
answers
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
|
29,830
views
statistic
sample
population
parameter
2
answers
The mean of a sample is
answered
Aug 26, 2019
in
Data Science & Statistics
|
2,137
views
mean
sample
population
values
sum
3
answers
If a data set has an even number of observations, the median
answered
Aug 26, 2019
in
Data Science & Statistics
|
4,063
views
even
median
calculation
middle
4
answers
What is metadata?
answered
Aug 26, 2019
in
Data Science & Statistics
|
220
views
metadata
definition
descriptive-statistics
2
answers
How do I calculate the inter-quartile range?
answered
Aug 26, 2019
in
Data Science & Statistics
|
330
views
statistics
inter-quartile
range
dispersion
2
answers
The difference between the largest and the smallest data values is called the:
answered
Aug 26, 2019
in
Data Science & Statistics
|
5,256
views
range
dispersion
statistics
descriptive
3
answers
What is a z-score?
answered
Aug 26, 2019
in
Data Science & Statistics
|
281
views
standard-deviation
z-score
mean
normal-distribution
4
answers
What is the relationship between standard deviation and variance?
answered
Aug 26, 2019
in
Data Science & Statistics
|
2,262
views
statistics
variance
standard-deviation
dispersion
6
answers
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
|
11,006
views
range
median
mean
mode
value
6
answers
The most frequently occurring value of a data set is called the:
answered
Aug 26, 2019
in
Data Science & Statistics
|
3,276
views
centrality
statistics
mode
median
mean
5
answers
Which of the following is not a measure of central location?
answered
Aug 26, 2019
in
Data Science & Statistics
|
4,220
views
mean
median
mode
variance
standard-deviation
4
answers
Since the mode is the most frequently occurring data value, it
answered
Aug 26, 2019
in
Data Science & Statistics
|
4,486
views
mode
mean
median
value
centrality