Answer:
im 70% sure that its D
Step-by-step explanation:
I hope i helped sorry if im wrong :D
Answer:
21
Step-by-step explanation:
0 + 1 = 1
1 + 2 = 3
3 + 3 = 6
6 + 4 = 10
10 + 5 = 15
15 + 6 = 21
Each number is added to an increase of 1 - first add 1, then add 2, then add 3,etc
Not listed but next would be 21 + 7 = 28
so it would be 0, 1, 3, 6, 10, 15, 21, 28
Answer:
x = 14
Step-by-step explanation:
Given
= 12
Multiply both sides by 3 to clear the fraction
2(x + 4) = 36 ( divide both sides by 2 )
x + 4 = 18 ( subtract 4 from both sides )
x = 14
Answer:

Step-by-step explanation:
From the question we are told that:
Sample size 
Mean 
Range 
Generally at 
Value of Control chart constant,

Generally the equation for Lower Control Limit is mathematically given by



Answer:
A. don't know if this helps but with plotting but (x, y) the x always comes first