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Answers by LuyandaN
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What level of potassium should we use so that only 2.5 % of healthy individuals are classified as “abnormally high”?
answered
Aug 12, 2019
in
Data Science & Statistics
|
1,313
views
normal-distribution
potassium
variance
standard-deviation
3
like
0
dislike
Is this an example of a simple random sample?
answered
Aug 12, 2019
in
Data Science & Statistics
|
1,842
views
random
sampling
survey
analyst
2
like
0
dislike
The $75^{th}$ percentile is referred to as the:
answered
Aug 7, 2019
in
Data Science & Statistics
|
252
views
percentile
statistic
cumulative
quartile
5
like
0
dislike
The variance of a sample of 169 observations equals 576. The standard deviation of the sample equals:
answered
Aug 7, 2019
in
Data Science & Statistics
|
12,971
views
variance
standard-deviation
statistic
calculate
6
like
0
dislike
A numerical value used as a summary measure for a sample, such as sample mean, is known as a:
answered
Aug 7, 2019
in
Data Science & Statistics
|
29,830
views
statistic
sample
population
parameter
3
like
0
dislike
Which of the following provides a measure of central location for the data?
answered
Aug 7, 2019
in
Data Science & Statistics
|
6,190
views
mean
range
standard-deviation