Answer:

Step-by-step explanation:
Let the number be
.
Then,

This implies that;

We multiply both sides by
to obtain;



Or

So you're initial equation is

. Well since

, plug in 24 for the 1 in

. So

, and

so

.
Answer:
All values are identical.
Step-by-step explanation:
We are given the following in the question:
If the standard deviation of a set of data is zero.
Then, all the values in data are identical.
This can be shown as:
Let all the terms in data be x.
Formula:
where
are data points,
is the mean and n is the number of observations.
Sum of squares of differences =


Thus, the correct answer is
All values are identical.
Answer:
y = 18
Step-by-step explanation:
71 - 5 = 4y - 6
66 = 4y - 6
72 = 4y
18 = y
P.S. I am not 100% sure if this is correct if it isn't I am greatly sorry
Answer:
25
Step-by-step explanation:
144/60 = 2.4
60/2.4 = x
x = 25