Mathematics, 11.12.2019 01:31, emmaccanttlon
Consider the following information about variable x: mean = 4, standard deviation = 2. consider the following information about variable y: mean = 5, standard deviation = 3. if there is a correlation of r = 0.52 between variable x and variable y, what is the intercept for a simple linear regression equation predicting y on the basis of x? provide your answer as a raw score (not a z score) with a minimum of two decimal places.
Answers: 2
Mathematics, 21.06.2019 22:30, lekepius3715
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
Consider the following information about variable x: mean = 4, standard deviation = 2. consider the...
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