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How do I compare the count of a value in each year while having a different sanple size each year.
asked
Jun 8, 2022
in
general
by
Nescafeadjust
(
120
points)
data-science
+1
vote
0
answers
163
views
Using aggregate data to generate observation-level data statistically sound?
asked
Jun 11, 2019
in
general
by
bwang15
(
130
points)
data-science
statistics
normal-distribution
+1
vote
1
answer
498
views
What is the rule that determines percentages with the mean +- 1,2 or 3 standard deviations?
asked
Nov 17, 2018
in
general
by
Mike Banks
(
600
points)
statistics
+2
votes
2
answers
371
views
What will be probability for the data items within mean +- 1, +-2, +-3 standard deviation?
asked
Nov 14, 2018
in
general
by
Deep Patel
(
700
points)
statistics
normal-distribution
python
percentile
probability
+1
vote
1
answer
573
views
How much percentage of data items are consumed within mean +-1 , +-2, +-3 standard deviation?
asked
Nov 14, 2018
in
general
by
Deep Patel
(
700
points)
statistics
normal-distribution
python
percentile
+1
vote
1
answer
300
views
What is a test statistic in hypothesis testing and how does it relate to the p-value?
asked
Nov 12, 2018
in
general
by
andystanley
(
1.1k
points)
statistics
+1
vote
1
answer
246
views
What is sampling error?
asked
Nov 12, 2018
in
general
by
andystanley
(
1.1k
points)
statistics
+1
vote
1
answer
569
views
In the first week of November 2003.... What is the expected number of homicides per week in the GTA?
asked
Nov 2, 2018
in
general
by
KenTheStatsMan
(
430
points)
statistics
expected-value
random-variable
+1
vote
1
answer
2.5k
views
In statistics, whats the difference between contingency and frequency tables?
asked
Oct 30, 2018
in
general
by
askds
(
500
points)
statistics
+1
vote
1
answer
262
views
How do you tell a permutation problem from a combination problem?
asked
Oct 15, 2018
in
general
by
lopezkev
(
160
points)
statistics
combination
permutation
+2
votes
1
answer
218
views
What is a discrete random variable?
asked
Oct 12, 2018
in
general
by
Mike Banks
(
600
points)
statistics
0
votes
1
answer
349
views
What is the difference between permutation and combination?
asked
Oct 12, 2018
in
general
by
Mike Banks
(
600
points)
statistics
combination
permutation
0
votes
1
answer
412
views
What is the difference between Qualitative and Quantitative data?
asked
Oct 12, 2018
in
general
by
Mike Banks
(
600
points)
statistics
+4
votes
1
answer
624
views
If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
asked
Oct 12, 2018
in
general
by
Ahmed Merah
(
270
points)
statistics
probability
expected-value
random-variable
+1
vote
0
answers
269
views
What is the probability of getting a King of Hearts?
asked
Oct 12, 2018
in
general
by
Ahmed Merah
(
270
points)
statistics
probability
+2
votes
1
answer
966
views
Define measures of center (Median and Mode) ?
asked
Oct 12, 2018
in
general
by
Ahmed Merah
(
270
points)
statistics
median
+2
votes
0
answers
144
views
What is "Random Sampling"?
asked
Oct 12, 2018
in
general
by
Ahmed Merah
(
270
points)
statistics
+2
votes
1
answer
265
views
What is binomial experiment and when do we use it?
asked
Oct 12, 2018
in
general
by
Deep Patel
(
700
points)
statistics
combination
permutation
+2
votes
1
answer
802
views
When should we use permutation and combination?
asked
Oct 12, 2018
in
general
by
Deep Patel
(
700
points)
statistics
combination
permutation
+1
vote
1
answer
385
views
Calculate IQR(Inter Quartile Range) of {18, 24, 19, 16, 21}?
asked
Oct 12, 2018
in
general
by
Deep Patel
(
700
points)
statistics
quantile
iqr
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