Answer:
7.5 more push-ups
Step-by-step explanation:
From the dot plot attached :
Last month mean :
Σfx/Σf
Σfx = [(10*2)+(15*2)+(25*3)+(35*1)] = 160
Σf = (2 + 2 + 3 + 1) = 8
Mean = 160 / 8 = 20
This month mean :
Σfx/Σf
Σfx = [(10*1)+(15*1)+(25*1)+(30*3)+(40*2)] = 220
Σf = (1 + 1 + 1 + 3 + 2) = 8
Mean = 220/8
Mean = 27.5
Difference in mean :
This month mean - Last month mean
27.5 - 20
= 7.5
180 = 2x-10+x+30+70
180 = 3x+90
90 = 3x
x = 30
2(30)-10 =50
The cube is 512 btw I’m getting free points squeeze
Answer:
I think I'm doing this right?
Step-by-step explanation:
4.3
----
a. 4.3
b. 4.3
c. 4
Answer:
5,3
Step-by-step explanation: