Answer:
-10 degrees
Step-by-step explanation:
24+8=32
32-(7 x 6)= 32-42=-10
The coordinates of r is ( 4, -1 )
It will be a J-shaped graph. As X increases, Y will increase at a sharper rate, so it will look exactly like a J when graphed
Answer: 3424.28
Step-by-step explanation:
Given data : 378, 361, 350, 375, 200, 391, 375, 368, 321
Number of data values = 9
Mean :

Variance = 

Variance = 