Find the y-intercept for the line represented by this equation -2y=4x+8
2 answers:
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Answer:
x is a number that is multiple by 3
Step-by-step explanation:
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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.