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Natali [406]
4 years ago
15

I need help please and thank you :) will mark brainliest if right

Mathematics
1 answer:
natta225 [31]4 years ago
3 0

Answer:

hi

Step-by-step explanation:

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Given that x overbarequals3.6667​, s Subscript xequals2.0656​, y overbarequals4.2167​, s Subscript yequals1.5613​, and requalsne
Shtirlitz [24]

Answer:

y = 0.7063x+2.7790

Step-by-step explanation:

Given that

x bar = 3.6667\\s_x= 2.0656\\y bar = 4.2167\\s_7 = 1.5613\\r = -0.9344

We have slope of linear regression line is

a=r*\frac{s_y}{s_x} =0.9344(\frac{1.5613}{2.0656} )\\=0.7063

So regression line would be of the form

y-4.2167 = 0.7063(x-2.0656) (since it passes through xbar, y bar)

y = 0.7063x+2.7790

is the equation of regression line.

6 0
4 years ago
Which of the following terms describes the measure indicated by the black
Jlenok [28]

Answer:

the answer is A

Step-by-step explanation:

The line is the middle point of the graph/ the middle number of all therefore it's the median.

5 0
2 years ago
george has a square sandbox in back yard. the sandbox has an area of 160 square feet. to the nearest foot, what is the length of
Otrada [13]
Ok, so the sandbox is a square, so that means four sides. Now, We had to multiply to get the area, 160. So, do the opposide, and divide.

160 / 4 = 40  now to check, just do 40 x 4 = 160  it is correct

So the answer is 40. :) 

3 0
3 years ago
Alejandro rounded the number 76.518 to 76.5. Jiro rounded the same number to 76.52. Who is correct? Explain your reasoning
sergeinik [125]
Alejandro is correct because you do not need to add another number to 76.518, as Jiro did, but you need to round it to the nearest tenth.

Glad I could help, and good luck!

4 0
3 years ago
Read 2 more answers
What is a rational number between 1.4 and 1.6?
Serggg [28]

Answer:

Im sure of 1.5

Step-by-step explanation:

None

8 0
3 years ago
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