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Statistics

Statistics deals with collecting, organizing, and interpreting numerical data. An important aspect of statistics is the analysis of population characteristics inferred from sampling.

36,755 Questions

How do you calculate chi-squared if one of the expected terms is less than 5. Is there software that can do this?

If the assumptions behind the chi-square test don't hold (e.g. more than 10% of your events have expected frequencies below 5) then consider using an exact test, such as Fisher's Exact Test for 2x2 contingency tables.

You are 16 can you move in with your grandmother if you have a job and good grades and she is willing 2 take care of you?

If you live in the US... Only if her parents give her permission, or the grandmother has been awarded custody (the only way that will happen is if the parents are proven to be unfit, and it takes A LOT to prove unfitness).

The sum of one-sixth two-thirds and 1one-fourth is?

(1/6) + (2/3) + (1/4) = (2/12) + (8/12) + (3/12) = (13/12) = 1 and 1/12

How many 3 number combinations can you make out of 0-9?

If the order of the digits matters (102 and 201 are different), then there are 1,000 .

If the order of the digits doesn't matter (102 and 201 are the same group), then there are 166 .

All you have is a 5 digit number nothing else?

You're in sad shape. Better hope you can sell a couple digits

for food and some clothes.