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Recent questions in Statistics

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1.6k
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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
534
534 views
is it possible to derive a new 95% CI from two separate 95% CIs?
1 1 vote
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576
576 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
606
606 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
862
862 views
nonpooled independent samples t-interval method
1 1 vote
1 1 answer
855
855 views
Computing the Confidence Interval for a Difference Between Two Means
1 1 vote
1 1 answer
843
843 views
How to find the strength of a P-value against a null hypothesis?
1 1 vote
1 1 answer
977
977 views
What is degree of Freedom while calculating confidence interval?
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1 1 answer
979
979 views
How do you know when to use T-Distribution instead of regular Confidence Interval?
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1 1 answer
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1.1k views
What is the T Distribution?
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1 1 answer
956
956 views
Probability for the data items within mean +- 1, +-2, +-3 standard deviation?
1 1 vote
1 answers 1 answer
4.3k
4.3k views
How do I calculate a and z a/2?
1 1 vote
1 1 answer
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1.7k views
What is the rule that determines percentages with the mean +- 1,2 or 3 standard deviations?
2 2 votes
2 2 answers
1.2k
1.2k views
What will be probability for the data items within mean +- 1, +-2, +-3 standard deviation?
1 1 vote
1 1 answer
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1.3k views
How much percentage of data items are consumed within mean +-1 , +-2, +-3 standard deviation?
1 1 vote
1 answers 1 answer
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1.2k 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
927
927 views
What is sampling error?
1 1 vote
1 1 answer
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1.2k views
What is P-value in Statistical Testing?
What is P-value in Statistical testing?
1 1 vote
1 1 answer
744
744 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
1 1 vote
1 1 answer
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1.0k 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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