Question

Find the missing frequencies in the following frequency distribution whose mean is 50





X



10



30



50



70



90



Total





F



17



fi



32



F2



19



120

Answer 1

Hi there!

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What is Mean?

The average of a given set of numbers is called the Arithmetic mean, or simply the mean, of the given numbers.

Mean = $\frac{Sum \: of \: observations }{Number \: of \: observations }$

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For your solution to the given question refer to the attachment.

Thanks for the question!

☺️☺️☺️

Answer 2

here is your answer OK ☺☺☺☺

$(tex) \large{in \: this \: attacment \: }$
OK please see this image of. ................

easy solution is here...........