Answer: i dont now
Step-by-step explanation:
u have to add them togther i guess
Answer:
Variance s2 = 788.33333
Standard Deviation s = 28.077274
Count n = 7
Mean x¯¯¯ = 52
Sum of Squares SS = 4730
5280, so not quite any of those, but the closest one is D
Craig practiced 15 hours
Answer: Use a compass to measure the length of AB. Draw an arc from point B (or point A) with that distance. Extend line AB through that arc and label the intersection as point C. AC is twice the length of AB.