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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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Luis counts the total number of ducks swimming on a pond each day. On Monday he counts 1 duck. On Tuesday he counts 2 ducks. On
Papessa [141]

The pattern is:     Ducks always swim on that pond <em><u>in powers of 2</u></em> .

Monday ........ 2⁰ =  1
Tuesday ........ 2¹ =  2
Wednesday ... 2² =  4
Thursday ....... 2³ =  8

So
Friday ........... 2⁴ =  16
<em>Saturday ...... 2⁵ =  32</em>        <=== the answer  

AND ...
If they kept doing this for a month, then
on the 31st day there would be

       2³⁰ = <em>1,073,741,824</em> (more than 1 billion) ducks out there !


4 0
3 years ago
Read 2 more answers
Please help me and explain
MatroZZZ [7]

Answer:

the answers would be 12/35

because you all the animals together including the wolf and bobcat which is 35. so then you add the wolf and bobcat separately which is 12

6 0
3 years ago
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Jill starts to save at age 25 for a vacation home that she wants to buy for her 50th birthday. She will contribute $2500 each ye
vodomira [7]
FVAO=2500[((1+0.013/4)^(4*25)-1)/(0.013/4]
FVAO=294,847.29
The answer is c
5 0
3 years ago
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A recent survey of 128 high school students indicated the following information about release times from school.
Delicious77 [7]

Answer:

A) Interval estimate for those that want to get out earlier = (35%) ± (4%) = (31%, 39%)

Interval estimate for those that want to get out later = (39%) ± (4%) = (35%, 43%)

B) The group that wants to get out of school earlier can win after all the votes are counted if their true population proportion takes on a value that is higher than the closest true population proportion (for the group that wants to get out of school later)

That is, in the (31%, 39%) and (35%, 43%) obtained in (a), a range of (35.1%, 39%) and (35%, 38.9%) show how possible that the group that wants to get out of school earlier can win after all the votes are counted.

Step-by-step explanation:

The Interval estimate for the proportion is basically an interval of range of values where the true population proportion can be found with a certain level of confidence.

Mathematically,

Interval estimate = (Sample proportion) ± (Margin of error)

Margin of Error is the width of the confidence interval about the proportion.

a) Find the interval estimates

i) for those that want to get out earlier and

ii) those that want to get out later.

i) Sample proportion of those that want to get out earlier = 35%

Margin of Error = 4%

Interval estimate for those that want to get out earlier = (35%) ± (4%) = (31%, 39%)

ii) Sample proportion of those that want to get out later = 39%

Margin of Error = 4%

Interval estimate for those that want to get out later = (39%) ± (4%) = (35%, 43%)

b) Explain how it would be possible for the group that wants to get out of school earlier to win after all the votes are counted.

Since the interval estimates represent the range of values that the true population proportion can take on for each group that prefer a particular option, the group that wants to get out of school earlier van have their proportion take on values between 31% and 39%. If their true population takes on a value that is highest (which is very possible from the interval estimate), and the group with the highest proportion in the sample, (the group that wants to get out of school later, whose true population proportion can take between 35% and 43%) has a true population proportion that is less than that of the group that wants to get out of school earlier, then, the group that wants to get out of school earlier can win after all the votes are counted.

Hope this Helps!!!

3 0
3 years ago
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Vedmedyk [2.9K]

Answer: undefined

Step-by-step explanation:

the line is a straight line up, if it was sieways it would be 0

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3 years ago
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