50 points - !
(if you could at least answer one of these, i would be extremely gratefu...
![subject](/tpl/images/cats/mat.png)
Mathematics, 26.11.2019 13:31 djennings8055
50 points - !
(if you could at least answer one of these, i would be extremely grateful! )
1. what is the definition of correlation?
a measure of the strength of a linear relationship between two variables
b. proof that one variable causes another
c. a measure of the strength of causation of one variable on another
d. an implication of causation
2. which of the following values for r suggests that one variable causes another?
a. -0.7
b. 0
c. 0.9
d. none of the above
3. what does an r value of -0.89 suggest about two variables?
a. that an increase in the independent variable causes the dependent variable to decrease
b. that an increase in the independent variable causes the dependent variable to increase
c. as the independent variable increases, the dependent variable increases
d. as the independent variable increases, the dependent variable decreases
(if you could at least answer one of these, i would be extremely grateful! )
!
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:00
50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:50
Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:10
Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
History, 15.07.2020 01:01
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.07.2020 01:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 15.07.2020 01:01
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 15.07.2020 01:01
![question](/tpl/images/cats/mat.png)
Mathematics, 15.07.2020 01:01
![question](/tpl/images/cats/mat.png)
Mathematics, 15.07.2020 01:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)