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Pavel [41]
1 year ago
8

HELP!!! There is a photo please quickly!!

Mathematics
1 answer:
Nostrana [21]1 year ago
7 0

Answer:

∆y = 9

∆x = 6

Slope = 3/2 or 1.5

It looks like you erased it, but you had the answer correct on your paper.

Step-by-step explanation:

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The management of a relatively new social networking website named BooglePlus is conducting a pilot study comparing use of its o
zavuch27 [327]

Answer:

0.0623 ± ( 2.056 )( 0.0224 ) can be used to compute a 95% confidence interval for the slope of the population regression line of y on x

Step-by-step explanation:

Given the data in the question;

sample size n = 28

slope of the least squares regression line of y on x or sample estimate = 0.0623

standard error = 0.0224

95% confidence interval

level of significance ∝ = 1 - 95% = 1 - 0.95 = 0.05

degree of freedom df = n - 2 = 28 - 2 = 26

∴ the equation will be;

⇒ sample estimate ± ( t-test) ( standard error )

⇒ sample estimate ± ( t_{\alpha /2, df) ( standard error )

⇒ sample estimate ± ( t_{0.05 /2, 26) ( standard error )

⇒ sample estimate ± ( t_{0.025, 26) ( standard error )

{ from t table; ( t_{0.025, 26) = 2.055529 = 2.056

so we substitute

⇒ 0.0623 ± ( 2.056 )( 0.0224 )

Therefore, 0.0623 ± ( 2.056 )( 0.0224 ) can be used to compute a 95% confidence interval for the slope of the population regression line of y on x

5 0
3 years ago
Find the value of x.<br><br> Can someone help please?
Leya [2.2K]
A. is the correct answer
5 0
2 years ago
Again you don’t need to answer all of them but if you can do some that would be wonderful!
Maru [420]

Answer:

17)  x=7

18) x= -26

19) x= -8

20) x= 6

Step-by-step explanation:

17) is congruent

18) is supplementary

19) is congruent

20) is congruent

8 0
2 years ago
Read 2 more answers
3x-8(2x+3)= -6(2x+5)
faust18 [17]
3x-16x-24=-12x-30
-13x+12x=-30+24
-x=-6   /*(-1)
x=6
7 0
3 years ago
Read 2 more answers
The lines of the equations are parallel, perpendicular, or neither. y = -x + 3 y = -x - 3
Blizzard [7]
It is parallel Lines
7 0
3 years ago
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