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alexandr1967 [171]
3 years ago
14

Dan drew the line of best fit on the scatter plot shown below: A graph is shown with scale along x axis from 0 to 10 at incremen

ts of 1 and scale along y axis from 0 to 15 at increments of 1 and scale along y axis from 0 to 15 at increments of 1. The ordered pairs 0, 4 and 1, 4 and 2, 5 and 3, 6 and 4, 7 and 5, 9 and 6, 10 and 7, 11 and 8, 13 and 9, 14 and 10, 15 are shown on the graph. A straight line joins the ordered pairs 0, 3 and 10, 15. What is the equation of this line of best fit in slope-intercept form?
Mathematics
1 answer:
Anit [1.1K]3 years ago
3 0
     0, 3
-   10, 15
= -10, -12
therefore, the slope is 6/5, and the intercept (c) is as supplied, 3.
the equation, y=mx+c or y = a + bx, can be applied here where m or b = 6/5, and a or c = 3.

therefore the equation is y=6/5x+3.

To test this, you can put in y = 10(6/5)+3, which spits out y = 15. This way we know it *should* work.

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Complete the steps to solve for x.
mylen [45]
Answer: 11

Explanation:

(4/5)x - (1/4)x = 11
(16/20)x - (5/20)x = 11
(11/20)x = 11
7 0
2 years ago
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The manager of a factory wants to compare the mean number of units assembled per employee in a week for two new assembly techniq
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Answer:

The most appropriate inferential statistic test in the present situation is the;

b. Two-sample t-test

Step-by-step explanation:

From the question, we have;

The number of subjects in each sample, n₁ = 100

The number of samples = 2

The nature of the test = To compare the two means

The value of the population standard deviation, σ = Unknown

From the given parameters, we have;

The t-test is a method of inferential statistics for determining whether the difference between the mean of two groups is significant, that is if the observed difference are due to chance, where the groups are likely to have some characteristics that are related

The t-test is utilized when testing an hypothesis, and it is used for small samples, where the population standard deviation is unknown

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b) Two-sample t-test

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3 0
2 years ago
HELPPP
Alexxandr [17]
Hope this helps you

3 0
2 years ago
How do you do this?<br><br> I’ve been having trouble with this for the past 10 mins
xz_007 [3.2K]
Basically it's telling you what equation to use for the specific value of g(x). If x is g(2) then you would use the third equation. 2x - 5. so 2(2)-5= -1
7 0
3 years ago
Multiply −0.54(8) please and thanks.
valentina_108 [34]
-.54*8
And we get: -4.32
4 0
2 years ago
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