Mathematics, 23.09.2019 17:10, katykatmeelee
The following observations are given for two variables. x y 2 7 6 10 9 13 11 18 11 21 12 25 7 12 4 7 a. compute the sample covariance for the above data (rounded to the nearest hundredths). what does the covariance tell us using the context of the problem. (3 points) b. compute the standard deviation for x (rounded to the nearest hundredths). (2 points) c. compute the standard deviation for y (rounded to the nearest hundredths). (2 points) d. compute the sample correlation coefficient (rounded to the nearest hundredths). what does the correlation coefficient tell us that the covariance does not using the context of the problem. (3 points)
Answers: 1
Mathematics, 21.06.2019 16:30, charitysamuels
What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1
Answers: 2
Mathematics, 21.06.2019 18:50, trevionc0322
Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59
Answers: 2
Mathematics, 21.06.2019 20:00, cielo2761
The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)
Answers: 2
Mathematics, 21.06.2019 21:40, janetexcoelho
Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.
Answers: 1
The following observations are given for two variables. x y 2 7 6 10 9 13 11 18 11 21 12 25 7 12 4 7...
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