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Mathematics 11 Online
OpenStudy (oleg3321):

help with statistics will medal and fan

OpenStudy (oleg3321):

OpenStudy (oleg3321):

part b and c only please

OpenStudy (mokeira):

to get mean just add values divided by the number of values there are

OpenStudy (oleg3321):

please show how

OpenStudy (mokeira):

standard deviation is square root of variance

OpenStudy (mokeira):

mean for class A= \[\frac{ (80+85+87+92+86+90+94+100+75+45+85+38+72+94+62) }{ ?15}\]

OpenStudy (mokeira):

that is mean for class A...ignore the question mark it is a typing error

OpenStudy (mokeira):

Do the same For mean for class B

OpenStudy (oleg3321):

class A mean is 79 class B mean is 85.133

OpenStudy (oleg3321):

@Mokeira are you there?

OpenStudy (mokeira):

Yes..you are correct

OpenStudy (oleg3321):

so can you show me how to get part b now?

OpenStudy (mokeira):

The part for standard deviation or?

OpenStudy (oleg3321):

@Mokeira everything please. the box plot. and all the rest please

OpenStudy (oleg3321):

@Mokeira are you still there. please i need to finish it

OpenStudy (mokeira):

Im not sure how to do the rest

OpenStudy (oleg3321):

:(

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