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Sloan [31]
3 years ago
7

Association - Suppose you were to collect data for each pair of variables. You want to make a scatterplot. Which variable would

you use as the explanatory variable and which as the response variable? Why? What would you expect to see in the scatterplot? Discuss the likely direction , form, and strength. a) Apples: weight in grams, weight in pounds b) Apples: diameter (inches), weight (grams) c) College freshmen: height, grade point average d) Gasoline: number of miles you drove since filling up, gas remaining in your tank
Mathematics
2 answers:
Nana76 [90]3 years ago
6 0

Answer:

The answer is B.

Step-by-step explanation:

The question asks us to select an explanatory variable and a response variable which are just different names for independent and dependent variables.

Explanatory or independent variables, as the name suggests, are not affected by any other variable in the equation.

Response or dependent variables change according to the changes in other variables in the equation.

Out of the four options given in the question, the option b should be chosen according to the requirements because diameter of the apple affects its weight but the diameter itself is independent of the weight variable.

The plot should show that the weight changes according to the diameter variable.

I hope this answer helps.

CaHeK987 [17]3 years ago
6 0

Answer: b

Step-by-step explanation:

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OLEGan [10]

Answer:

125

Step-by-step explanation:

5 0
3 years ago
A rectangle with vertices A(6, 0), K(0,0), L(0,9), and M(6, 9) is rotated around the x-axis. To the nearest tenth of a cubic uni
koban [17]

Answer:

1526.0 cubic units

Step-by-step explanation:

Rotating rectangle AKLM you will get cylinder with height KA and base radius KL.  From the given data

KA=\sqrt{(6-0)^2+(0-0)^2}=6,\\ \\KL=\sqrt{(0-0)^2+(9-0)^2}=9.

The volume of the cylinder is

V_{cylinder}=\pi r^2\cdot H.

Then

V_{cylinder}=\pi \cdot 9^2\cdot 6=486\pi \approx 1526.0\ un^3.

7 0
3 years ago
Earl runs 75 meters in 30 seconds .How many meters does Earl run per second​
belka [17]

Answer:

2.5 meters per second

Step-by-step explanation:

75/30 = 2.5

I'd choose 25 because the person who wrote the answers probably forgot to add decimal points

6 0
3 years ago
F(x)=bx^2+32 For the function f defined above, b is a constant and f(2)=40. What is the value of f(-2)?
zhuklara [117]

Answer:

f(-2) = 0

Step-by-step explanation:

Given that:

f(x) = bx^2 + 32

f(2) = b(2)^2 + 32

f(2) = 4b + 32

f(2) = 4b = -32

f(2) = b = -32/4

f(2) = b = -8

Thus;

f(-2) = -8(-2)^2 + 32

f(-2) = -8(4) + 32

f(-2) = -32 + 32

f(-2) = 0

6 0
3 years ago
Read 2 more answers
Dave surveyed 80 7th-graders and 90 8th-graders. He found that about 75% of the 7th-graders like pop music, while 80% of the 8th
dimaraw [331]

<u>8th Grade: </u>90 x 0.80 = 72

<u>7th Grade:</u> 80 x 0.75 = 60

Conclusion: 8th Graders like pop music more because 72 out of the 90 in 8th grade Dave surveyed enjoy it, compared to the 60 out of 80 in 7th grade that enjoyed it.

5 0
3 years ago
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