PLEASE HELP! The ticket price for a concert at a historic music hall includes $6.40 for the concert, $4.80 for the program, and
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I suppose the claim is for
.
When , we have
, and of course 5 divides 5.
Assume the claim holds for , that
. We want to use this to show it holds for
, that
.
We have
Since , we can write
for some integer
. Then
which is clearly divisible by 5. QED
⇒The Variance tells us spread between each variate in data set from mean.
Now, Coming to the Question
⇒Sample of 14 students were taken from a population of 168 students.
Variance =Expected value of square of each variate taken from mean, which can be represented as
Size of Sample taken in terms of Percentage
⇒Sample Size is Approximately only 8.4% of total Population,which is very small, that can't represent the whole Population Variance.
Option B:→ 14 , is most appropriate, which Represents the Variance of 14 student height.