Answer:
2.4
Step-by-step explanation:
We would first calculate the mean, because we would need it to calculate our varance.
Mean= sum of the number of given data set/ total number
Mean = (9 +8 +9 +5 +9 )/5
= 40/5= 8
variance (σ2):= [(9-8)^2 + (8-8)^2 + (9-8)^2 +(5-8)^2 +(9-8)^2]/5
=( 1+ 0 + 1 +9 +1)/5
= 12/5
variance (σ2)= 12/5
=2.4
Answer:
1-5
Step-by-step explanation:
It has clusters from 1 to 5 because that is where all the dots are that are not seperated.
Answer:
$64
Step-by-step explanation:
Since there were 4 of them and the coupons were $10 off, they saved a total of $40
To find how much they would have spent without the coupons, add 40 to 216:
216 + 40
= 256
To find the normal cost of one ticket, divide this by 4:
256/4
= 64
So, the price of one concert ticket without the coupon is $64
Answer:
The answer is D
Step-by-step explanation:
triangles A B and C are congruent to each other
triangle A because os the side side side theorem
triangle B because of the Angle Angle Angle theorem
triangle C because of the Right Hand Side theorem
