Answer:
hey i lucked out again
Step-by-step explanation:
And yea 2020 edge is very hard
Answer:
36
Step-by-step explanation:
All you gotta do is 9x4 or 9+9+9+9=36
Answer:
b = 94/79
Step-by-step explanation:
47/79 = x/2
79x = 94
x = 94/79
Answer B.
∑fx=1637,∑fx
2
=127663,∑f=21
x
ˉ
=Mean=
∑t
∑fx
=77.95
σ
2
=
∑f
∑fx
2
−(
x
ˉ
)
2
=
21
127663
−(77.95)
2
=2.987
σ=1.728
