Asked by savya

A summary of 24 observations of x gave the following information:

∑(x − a) = −73.2 and ∑(x − a)2 = 2115.

The mean of these values of x is 8.95.

(i) Find the value of the constant a.

(ii) Find the standard deviation of these values of x

Answered by savya
cmonnnn
Answered by oobleck
stop it!
when someone see this and can help, you'll get help.
In the meantime, what are you doing to solve it?
Surely you have some materials to review.
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