Answers created by De Rono
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Is there a difference between a correlation and a correlation coefficient?
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What is the difference between the formula for variance and sample variance?
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In the below list of numbers, what number represents the outlier?
3, 4, 8, 9, 10, 3, 7, 12, 14, 12, 4, 29, 6, 9
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What is a Bayesian inference?
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What is the difference between the mathematical formula of a multiple linear regression and a simple linear regression?
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How do you calculate the covariance between two discrete variables?
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How do you graph using slope and intercept of -7x+y=-19?
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Is the ordered pair (2,3) a root of the equation x+2y=8?
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How do you graph and find the discontinuities of f(x)=1/x -4?
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In a symmetric distribution, are the mean, median, and mode always equal?
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How should a scatter plot of data look if there is a negative correlation?
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What do measures of central tendency indicate?
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What is the standard deviation of 1, 2, 3, 4 and 5?
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How do you convert the polar coordinate (4, 315) into cartesian coordinates?
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How do solve 2.6^x = 20.4?
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How do you solve log_(2) (5x + 7) - log_(2) x = 2?
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How do you solve log_2 x+log_4 x=log_2 5?
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Can you find the standard deviation of negative numbers?
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For what x is (3x)/(x+3)>3/(x-2)?
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What is the generalized R-Squared?
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How do you verify cos^3 * sin^2 x = (sin^2 x - sin^4 x)cos x?
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What is int e^(2x)dx?
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What is the standard deviation of {1, 2, 3, 4, 5}?
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What is the variance of a binomial distribution for which n = 75 and p = 0.20?
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What does it mean for a data set to be bimodal?
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How do you simplify sqrt(0.01x^4y^2)?
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How do you solve -x-1 < -9001?
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How do you solve 2.3(x + 1.4) = -9.66?
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How do you solve |x – 9| < 11?
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How do you simplify 5 - 3(y + 7)?
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What are the dimensional requirements for matrix multiplication?
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What is a Veblen good?
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For random variables X and Y. What is "Var"(X+Y) in terms of "Var"(X) and Var(Y)?
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How do you write equivalent equations in the form of inverse functions for x=y +cos 0?
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How do you find the quotient of (4x^2 – y^2) ÷ (2x – y)?
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What is the derivative of f(x)=2cosx-cos2xdx?
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How do you find the exact value of (19 pi)/12?
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How do you simplify each expression using positive exponents (a^4 b^-3)/(ab^-2)?
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How do you simplify x + 9x + 3?
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What does it mean about events A and B if P(A|B)=P(B|A)?
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If data with a normal distribution has a mean of 100 and a standard deviation of 15, what is the probability that a given value is greater than 110?
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What is the Kolmogorov formula for conditional probability?
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What does it mean if the null hypotheses is rejected?
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If you roll a pair of dice, what is the probability of rolling either a single 5 or a sum that is an even number?
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If P(A) = 0.7, P(B) = 0.9 and P(A nn B)=.4. What is P(B|A)? What about P(A|B)?
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What are the bounds of an R-Squared value?
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If you flip a coin three times, what is the probability of getting tails three times?
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What do the mean, median, and mode tell you about a set of numbers?
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What is the standard deviation of a binomial distribution with n=10 and p=0.70?
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Can an R-Squared value be greater than 1?
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What is a partition of sums of squares?
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What is the standard deviation of the standard normal distribution?
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If you roll a die, what is the probability of rolling a number greater than 4?
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Can the range of a data set affect the mean, median, or mode?
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What is sample variance?
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How do you derive a cumulative density function from a probability density function?
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How does standard deviation differ from standard error?
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How do you solve (x - 3 )^2 = -10?
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What is the mathematical formula for the probability density function of the general normal distribution?
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Question #65b14
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How do you factor 54x^4-2xy^6?
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What does covariance mean?
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How do you simplify 1/4 + (-3/4)?
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What information can you represent with a box and whisker plot?
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What is a standardized regression coefficient?
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Suppose X has probability density function f(x)=6x(1-x) for 0<x<1 and 0 otherwise. What is E[X] and Var[X]?
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Why must the R-Squared value of a regression be less than 1?
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What is a pooled variance?
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Do all random distributions follow a "normal" distribution?
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What is the Ordinary Least Squares of a data set?
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What is the general formula for the variance and mean of a binomial distribution?
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How do you simplify 4y+7y?
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How do you use the Change of Base Formula and a calculator to evaluate the logarithm log_6 27.5?
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What are the intercepts of 3x - 5y = 6?
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How do you solve -x^2 + 100x - 2400 >= 0?
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How do you simplify 9+ 2p+ 3?
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How do you simplify (3x+5y)/( 5y^2)?
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What are x and y if 2y+x= - 4 and y-x= - 5?
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Question #76ad3
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How do you solve the following system using substitution?: 5x-2y=19, 3x+17y=34
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How do you find the intercepts for y = -x - 2?
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How do find the quotient of (x^2-3x+2) div (x-1)?
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How do you simplify x +3 (x + 4y)?
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How do you simplify 9y-4-11y+7?