Degrees of freedom
Suppose we have five independent groups (or samples), each of size 9. How many degrees of freedom do we have for the within groups sum of squares in the ANOVA?
Answer
4
40
44
45
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The welding department has idle capacity of 600 minutes per week; the assembly department can supply 1,500 minutes of capacity per week. Determine the maximum profit production plan.
For the following distribution: What is the mean of the distribution?
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You expect the price of GE to not change very much in the next month, so you go short on (sell) a straddle (a put and a call at the same strike) on 100 shares of GE, with a strike price of $23.
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