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salantis [7]
3 years ago
12

HELP ME SO I DON’T FAIL! A regression line was calculated for three similar data sets (A, B, and C) that measure the height of a

plant (in inches) over time (in days). The residual plots for each set are shown. Based on the residuals, which data set is best fit by the regression line?
A. Data set A

B. Data set B

C. Data set C

Mathematics
2 answers:
Basile [38]3 years ago
6 0

Answer:

DATA SET : A

Step-by-step explanation:

Well I answered it on Apex

SVEN [57.7K]3 years ago
3 0

Answer:

A) Data set A

Step-by-step explanation:

Residuals describe how far each point is from the regression line.  The farther each point is from the line, the worse the fit; the closer each point is to the line, the better the fit.

Graph B has points that are not tightly centered around a line.  This is not a good fit.

Graph C has a U-shape; it is not a good fit.

Graph A, however, shows us that all of the points are tightly centered around a line; this is a good fit.

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the trailer cost one-fourth as much as the boat. the total cost of both is 4,000 how much did each cost
Katarina [22]

Answer: Boat  cost $ 3200

Trailer cost $ 800

Step-by-step explanation:  From the statement , the coat of Trailer (t) = 1/4 of the coat of the boat ( b)

i.e t = 1/4b

multiply through by 4

4t = b

both cost 4,000

i.e t + b = 4000

recall: b = 4t

therefore

t + 4t = 4000

5t      = 4000

       t = 4000/5

       t = 800

       b = 4000 - 800

       b = 3200

4 0
3 years ago
Find the slope of the graphed line
Contact [7]

Answer:

slope = 3/5

Step-by-step explanation:

slope = rise/run = 3/5

or (longer way w/ the points)

slope = (y2-y1)/(x2-x1) = (5-2)/(4-(-1)) = 3/5

3 0
3 years ago
What is 2 to the 10 power
Svet_ta [14]
2^10 is equal to 1024 (one thousand and twenty four)
3 0
2 years ago
Read 2 more answers
Cause I lowkey suck at math How do I do this
dimaraw [331]
1. The slope is -2/5 not 3-/10
5 0
3 years ago
Use the equation below to find T, if w=85, m= 12, and a=3.<br> T=w-ma<br> T = 3,060<br> X<br> ?
saw5 [17]

Answer:

T = 49

Step-by-step explanation:

T = w - ma

w = 85

m = 12

a = 3

Plug in the corresponding numbers to the corresponding variables:

T = (85) - (12) * (3)

Remember to follow PEMDAS. PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& Roots)

Multiplications

Divisions

Additions

Subtractions

First, multiply, then subtract:

T = 85 - (12 * 3)

T = 85 - 36

T = 49

T = 49 is your answer.

~

6 0
2 years ago
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