Recent questions in Statistics

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0 answers 352 views

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)

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0 answers 169 views

is it possible to derive a new 95% CI from two separate 95% CIs?

asked Nov 23, 2020 in Statistics by ar (120 points)

+1 vote

0 answers 168 views

Individual and group relative strength in a fixed pool of players: How to approach the problem?

asked Oct 29, 2019 in Statistics by MrNycticorax (130 points)

+1 vote

0 answers 161 views

Using aggregate data to generate observation-level data statistically sound?

asked Jun 11, 2019 in general by bwang15 (130 points)

+1 vote

1 answer 281 views

nonpooled independent samples t-interval method

asked Dec 7, 2018 in Statistics by Rathin (820 points)

+1 vote

1 answer 250 views

Computing the Confidence Interval for a Difference Between Two Means

asked Dec 7, 2018 in Statistics by Rathin (820 points)

+1 vote

1 answer 256 views

How to find the strength of a P-value against a null hypothesis?

asked Dec 7, 2018 in Statistics by Deep Patel (700 points)

+1 vote

1 answer 301 views

What is degree of Freedom while calculating confidence interval?

asked Dec 7, 2018 in Statistics by Deep Patel (700 points)

+1 vote

1 answer 276 views

How do you know when to use T-Distribution instead of regular Confidence Interval?

asked Dec 5, 2018 in Statistics by lopezkev (160 points)

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1 answer 346 views

What is the T Distribution?

asked Nov 30, 2018 in Statistics by Rathin (820 points)

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1 answer 278 views

Probability for the data items within mean +- 1, +-2, +-3 standard deviation?

asked Nov 30, 2018 in Statistics by Rathin (820 points)

+1 vote

1 answer 3.6k views

How do I calculate a and z a/2?

asked Nov 29, 2018 in Statistics by andystanley (1.1k points)

+1 vote

1 answer 496 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)

+2 votes

2 answers 365 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)

+1 vote

1 answer 571 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)

+1 vote

1 answer 296 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)

+1 vote

1 answer 244 views

What is sampling error?

asked Nov 12, 2018 in general by andystanley (1.1k points)

+1 vote

1 answer 662 views

What is P-value in Statistical Testing?

asked Nov 12, 2018 in Statistics by mobeenraza (900 points)

+1 vote

1 answer 157 views

What is a sampling distribution of sample means?

asked Nov 12, 2018 in Statistics by mobeenraza (900 points)

+1 vote

1 answer 566 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)

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