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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 ...
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0 0 answers
526
526 views
is it possible to derive a new 95% CI from two separate 95% CIs?
1 1 vote
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563
563 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
597
597 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
845
845 views
nonpooled independent samples t-interval method
1 1 vote
1 1 answer
837
837 views
Computing the Confidence Interval for a Difference Between Two Means
1 1 vote
1 1 answer
826
826 views
How to find the strength of a P-value against a null hypothesis?
1 1 vote
1 1 answer
962
962 views
What is degree of Freedom while calculating confidence interval?
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1 1 answer
964
964 views
How do you know when to use T-Distribution instead of regular Confidence Interval?
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1 1 answer
1.1k
1.1k views
What is the T Distribution?
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1 1 answer
940
940 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
1.3k
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
1.1k
1.1k 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
899
899 views
What is sampling error?
1 1 vote
1 1 answer
1.2k
1.2k views
What is P-value in Statistical Testing?
What is P-value in Statistical testing?
1 1 vote
1 1 answer
728
728 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
1 1 vote
1 1 answer
998
998 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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