Answer:
y=6/5x-1
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(-7-5)/(-5-5)
m=-12/-10
simplify
m=6/5
y-y1=m(x-x1)
y-5=6/5(x-5)
y=6/5x-30/5+5
y=6/5x-6+5
y=6/5x-1
Answer:
143 should be correct
Step-by-step explanation:
hope this helps
Answer:
The correct option is b.
Step-by-step explanation:
The formula for standard deviation is

where,
is mean of the data and n is number of observation.
The variance of a stock's returns can be calculated by the above formula.
Variance of stock's returns is the average value of squared deviations from the mean.
Therefore the correct option is b.