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Recent questions in Statistics

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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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501
501 views
is it possible to derive a new 95% CI from two separate 95% CIs?
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534
534 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
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556
556 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
785
785 views
nonpooled independent samples t-interval method
1 1 vote
1 1 answer
772
772 views
Computing the Confidence Interval for a Difference Between Two Means
1 1 vote
1 1 answer
776
776 views
How to find the strength of a P-value against a null hypothesis?
1 1 vote
1 1 answer
906
906 views
What is degree of Freedom while calculating confidence interval?
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1 1 answer
893
893 views
How do you know when to use T-Distribution instead of regular Confidence Interval?
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1 1 answer
993
993 views
What is the T Distribution?
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1 1 answer
870
870 views
Probability for the data items within mean +- 1, +-2, +-3 standard deviation?
1 1 vote
1 answers 1 answer
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4.2k views
How do I calculate a and z a/2?
1 1 vote
1 1 answer
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1.6k views
What is the rule that determines percentages with the mean +- 1,2 or 3 standard deviations?
2 2 votes
2 2 answers
1.1k
1.1k 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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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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What is a test statistic in hypothesis testing and how does it relate to the p-value?
1 1 vote
1 answers 1 answer
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828 views
What is sampling error?
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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
670
670 views
What is a sampling distribution of sample means?
What is a sampling distribution of sample means?
1 1 vote
1 1 answer
947
947 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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