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Mathematics 8 Online
OpenStudy (anonymous):

NEED SOMEONE WHO KNOWS STATISTICS

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

@JackJordan

OpenStudy (anonymous):

Sorry bro, I'm a Physicist. My knowledge of Statistics and Chi Squared tests is close to 0.

OpenStudy (michele_laino):

we have to compute the chi square. Do you know how to compute the chi square, from your data?

OpenStudy (anonymous):

not a clue

OpenStudy (michele_laino):

here is your computation: \[\large {\chi ^2} = \frac{{{{\left( {202 - 175} \right)}^2}}}{{175}} + \frac{{{{\left( {112 - 125} \right)}^2}}}{{125}} + \frac{{{{\left( {269 - 250} \right)}^2}}}{{250}} = ...\]

OpenStudy (michele_laino):

what do you get?

OpenStudy (anonymous):

not exactly

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