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 16:00
If f(x)= 3x+6 which of the following is the inverse of f(x)
Answers: 2
Mathematics, 21.06.2019 21:30
Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?
Answers: 1
Mathematics, 22.06.2019 00:30
Ms. green tells you that a right triangle has a hypotenuse if 13 and a leg of 5. she ask you to find the other leg of the triangle. what is you're answer?
Answers: 2
Mathematics, 22.06.2019 02:50
Arepresentative from plan 1 wants to use the graph below to sell health plans for his company how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans?
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...
Social Studies, 23.10.2019 16:00
Social Studies, 23.10.2019 16:00
Mathematics, 23.10.2019 16:00
Physics, 23.10.2019 16:00
Physics, 23.10.2019 16:00
Social Studies, 23.10.2019 16:00
History, 23.10.2019 16:00
Mathematics, 23.10.2019 16:00
History, 23.10.2019 16:00
Mathematics, 23.10.2019 16:00
History, 23.10.2019 16:00
Mathematics, 23.10.2019 16:00
History, 23.10.2019 16:00
Physics, 23.10.2019 16:00
English, 23.10.2019 16:00
Chemistry, 23.10.2019 16:00
Mathematics, 23.10.2019 16:00