Answers edited by De Rono
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What is a pooled variance?

How do you simplify #9y411y+7#?

How do you simplify #5  3(y + 7)#?

If six pairs of data yield an r = 0.789 and a regression equation of y= 4x2, what is the best predicted value of y when x = 5?

How should a scatter plot of data look if there is a negative correlation?

What is the standard deviation of #1, 2, 3, 4# and #5#?

How do you graph using slope and intercept of #7x+y=19#?

What does it mean about events #A# and #B# if #P(AB)=P(BA)#?

How do you find the intercepts for #y = x  2#?

What is the mean and variance of a random variable with the following probability density function?: #f(x) = 3x^2 if 1 < x < 1#; 0 otherwise

Consider the equation #y = 2  3x#. If #y = 11#, what is #x#?

How do you derive a cumulative density function from a probability density function?

What does it mean for a data set to be bimodal?

What is the Kolmogorov formula for conditional probability?

What is the general formula for the variance and mean of a binomial distribution?

If you flip a coin three times, what is the probability of getting tails three times?

What is the variance of the following numbers?: {3,5,2,2,4,7,8,5,7,12,6,4,}

What is a standardized regression coefficient?

What is the variance of {15, 14, 13, 13, 12, 10, 7}?