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Recent questions in Statistics

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1.3k
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How do I compare the count of a value in each year while having a different sanple size each year.
How do I accurately compare between the number of something a survey measure from my employees each year with a varying umber of survey engagement and employee size?If I ...
0 0 votes
0 0 answers
411
411 views
is it possible to derive a new 95% CI from two separate 95% CIs?
1 1 vote
0 0 answers
411
411 views
Individual and group relative strength in a fixed pool of players: How to approach the problem?
I apologize in advance if my question sounds too basic to be worthy of anyone's time, but statistics are not part of my curriculum.I am developing a proof of concept of a...
1 1 vote
0 0 answers
425
425 views
Using aggregate data to generate observation-level data statistically sound?
Context: In the realm of Paid Search Marketing. Current reporting does not provide event level data only aggregate totals with different segments. Want to compare distri...
1 1 vote
1 1 answer
569
569 views
nonpooled independent samples t-interval method
1 1 vote
1 1 answer
561
561 views
Computing the Confidence Interval for a Difference Between Two Means
1 1 vote
1 1 answer
587
587 views
How to find the strength of a P-value against a null hypothesis?
1 1 vote
1 1 answer
700
700 views
What is degree of Freedom while calculating confidence interval?
1 1 vote
1 1 answer
666
666 views
How do you know when to use T-Distribution instead of regular Confidence Interval?
0 0 votes
1 1 answer
708
708 views
What is the T Distribution?
0 0 votes
1 1 answer
609
609 views
Probability for the data items within mean +- 1, +-2, +-3 standard deviation?
1 1 vote
1 answers 1 answer
4.0k
4.0k views
How do I calculate a and z a/2?
1 1 vote
1 1 answer
1.4k
1.4k views
What is the rule that determines percentages with the mean +- 1,2 or 3 standard deviations?
2 2 votes
2 2 answers
822
822 views
What will be probability for the data items within mean +- 1, +-2, +-3 standard deviation?
1 1 vote
1 1 answer
965
965 views
How much percentage of data items are consumed within mean +-1 , +-2, +-3 standard deviation?
1 1 vote
1 answers 1 answer
810
810 views
What is a test statistic in hypothesis testing and how does it relate to the p-value?
1 1 vote
1 answers 1 answer
625
625 views
What is sampling error?
1 1 vote
1 1 answer
946
946 views
What is P-value in Statistical Testing?
What is P-value in Statistical testing?
1 1 vote
1 1 answer
488
488 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
1 1 vote
1 1 answer
809
809 views
In the first week of November 2003.... What is the expected number of homicides per week in the GTA?
This is from question one from lecture 4B's exercises: "In the first week of November 2003, five unrelated homicides were reported in the GTA. The GTA usually has about 7...
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