The class intervals should be large enough so that they not obscure interesting variation within the group

The class intervals should be large enough so that they not obscure interesting variation within the groupA . Statements 2 and 3 are correctB . Statements 1 and 2 are correctC . All three statements are correctD . Statements 1 and 3 are correctView AnswerAnswer: B

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If the annual volatility of returns is 25% what is the variance of the quarterly returns?

If the annual volatility of returns is 25% what is the variance of the quarterly returns?A . 0.1250B . 0.0156C . 0.0625D . None of the aboveView AnswerAnswer: B

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Which of the following properties is exhibited by multiplication, but not by addition?

Which of the following properties is exhibited by multiplication, but not by addition?A . associativityB . commutativityC . distributivityD . invertibilityView AnswerAnswer: C

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If A and B are two events with P(A) = 1/4, P(B) = 1/3 and P(A intersection B) =1/5, what is P(Bc | Ac) i.e. the probability of the complement of B when the complement of A is given?

If A and B are two events with P(A) = 1/4, P(B) = 1/3 and P(A intersection B) =1/5, what is P(Bc | Ac) i.e. the probability of the complement of B when the complement of A is given?A . 12/29B . 37/45C . 3/4D . None of theseView AnswerAnswer:...

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Evaluate the derivative of ln(1+ x2) at the point x = 1

Evaluate the derivative of ln(1+ x2) at the point x = 1A . 0.5B . 0C . 1D . 2View AnswerAnswer: C

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What is the expected value of exp(X)?

Let X be a random variable distributed normally with mean 0 and standard deviation 1 . What is the expected value of exp(X)?A . E(exp(X)) = 1.6487B . E(exp(X)) = 1C . E(exp(X)) = 2.7183D . E(exp(X)) = 0.6065View AnswerAnswer: A

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For each of the following functions, indicate whether its graph is concave or convex:

For each of the following functions, indicate whether its graph is concave or convex: Y = 7x2 + 3x + 9 Y = 6 ln(3x) Y = exp(-4x)A . concave, concave, concaveB . concave, convex, convexC . convex, concave, concaveD . convex, convex, concaveView AnswerAnswer: C

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At what point x does the function f(x) = x3 - 4x2 + 1 have a local minimum?

At what point x does the function f(x) = x3 - 4x2 + 1 have a local minimum?A . -0.666666667B . 0C . 2.66667D . 2View AnswerAnswer: C

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A 95% confidence interval for a parameter estimate can be interpreted as follows:

A 95% confidence interval for a parameter estimate can be interpreted as follows:A . The probability that the real value of the parameter is within this interval is 95%.B . The probability that the real value of the parameter is outside this interval is 95%.C . The probability that the...

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The fundamental theorem of analysis establishes a relation between

The fundamental theorem of analysis establishes a relation betweenA . First and second derivative of a functionB . The derivative of a function and the slope of its graphC . Integration and differentiation of functionsD . The derivative of a function and the derivative of its inverse functionView AnswerAnswer: C

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