In the data set below, what is the variance? 2 7 9 7 2 6
2
If the answer is a decimal, round it to the nearest tenth.
variance (02):
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The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)