subject
Mathematics, 23.05.2020 04:00 carlosleblanc26

Ten people were chosen at random and surveyed. Their annual incomes (X) and the amounts of their annual charitable giving (V)
are both shown in the table below.
Salary
(in ten thousands)
X
38
42
48
55
58
62
66
72
78
120
Charitable Giving
in thousands)
Y
3.8
0
0
2.
0
2
0
1
3
0.5
Using technology, compute the correlation coefficient, and determine if there is a correlation between the variables.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost
Answers: 1
question
Mathematics, 22.06.2019 02:30
Atrain traveled for 1.5 hours to the first station, stopped for 30 minutes, then traveled for 4 hours to the final station where it stopped for 1 hour. the total distance traveled is a function of time. which graph most accurately represents this scenario? a graph is shown with the x-axis labeled time (in hours) and the y-axis labeled total distance (in miles). the line begins at the origin and moves upward for 1.5 hours. the line then continues upward at a slow rate until 2 hours. from 2 to 6 hours, the line continues quickly upward. from 6 to 7 hours, it moves downward until it touches the x-axis a graph is shown with the axis labeled time (in hours) and the y axis labeled total distance (in miles). a line is shown beginning at the origin. the line moves upward until 1.5 hours, then is a horizontal line until 2 hours. the line moves quickly upward again until 6 hours, and then is horizontal until 7 hours a graph is shown with the axis labeled time (in hours) and the y-axis labeled total distance (in miles). the line begins at the y-axis where y equals 125. it is horizontal until 1.5 hours, then moves downward until 2 hours where it touches the x-axis. the line moves upward until 6 hours and then moves downward until 7 hours where it touches the x-axis a graph is shown with the axis labeled time (in hours) and the y-axis labeled total distance (in miles). the line begins at y equals 125 and is horizontal for 1.5 hours. the line moves downward until 2 hours, then back up until 5.5 hours. the line is horizontal from 5.5 to 7 hours
Answers: 1
question
Mathematics, 22.06.2019 04:00
Yesi's dog weighed 5 pounds when she got him. he now yesi's dog weighed 5 pounds when she got him. he now weighs 45 pounds. how much did yesi's dog gain, in ounces?
Answers: 1
question
Mathematics, 22.06.2019 04:30
The westins and the shermans live in the same city and pay the same sales tax rate, and both families made $14,000 in taxable purchases last year. if the westins made $86,000 and the shermans made $33,000 last year, is the sales tax in their city an example of a regressive tax? yes, because the westins and the shermans both paid the same sales tax rate. b. no, because the shermans paid a higher percentage of their income in sales tax than the westins did. c. no, because the westins and the shermans both paid the same sales tax rate. d. yes, because the shermans paid a higher percentage of their income in sales tax than the westins did.
Answers: 1
You know the right answer?
Ten people were chosen at random and surveyed. Their annual incomes (X) and the amounts of their ann...
Questions
question
History, 21.01.2020 05:31
question
Mathematics, 21.01.2020 05:31
question
English, 21.01.2020 05:31