Answers by andystanley / Ask Data Science

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How do I calculate a and z a/2?

answered Nov 29, 2018

1 1 vote

810

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What is a test statistic in hypothesis testing and how does it relate to the p-value?

answered Nov 12, 2018

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625

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What is sampling error?

answered Nov 12, 2018

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648

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What is the Empirical Rule?

answered Oct 11, 2018

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405

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A gambling machine accepts 5 dollars and generates a random dollar value (x) between 1 and 10.

A gambling machine accepts 5 dollars and generates a random dollar value (x) between 1 and 10.What is the distribution of x?What is the expected value of x?Is it smart to...

answered Oct 11, 2018

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883

883 views

What is the difference between joint and conditional probability?

answered Oct 11, 2018

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491

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Two coins are flipped. What is the probability of getting heads twice?

answered Oct 11, 2018

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591

591 views

What is the difference between qualitative and quantitive data?

answered Oct 2, 2018