Questions by andystanley

+1 vote

1 answer 3.5k views

How do I calculate a and z a/2?

asked Nov 29, 2018 in Statistics

+1 vote

1 answer 256 views

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

asked Nov 12, 2018 in general

+1 vote

1 answer 206 views

What is sampling error?

asked Nov 12, 2018 in general

+2 votes

1 answer 269 views

What is the Empirical Rule?

asked Oct 11, 2018 in Statistics

+3 votes

1 answer 126 views

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

asked Oct 11, 2018 in Statistics

+2 votes

1 answer 433 views

What is the difference between joint and conditional probability?

asked Oct 11, 2018 in Statistics

+2 votes

1 answer 163 views

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

asked Oct 11, 2018 in Statistics

+2 votes

1 answer 233 views

What is the difference between qualitative and quantitive data?

asked Oct 2, 2018 in general

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