1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nastasia [14]
1 year ago
14

The correlation coefficient r between the values assumed by two variables, X

Mathematics
1 answer:
Flura [38]1 year ago
4 0

The slope of the line of best fit to the raw-score scatter plot is 0.98

  • The equation is y = 0.98x - 3.74
  • The value of y given that x = 12 is 8.02

<h3>How to determine the slope of the line?</h3>

From the question, we have the following parameters that can be used in our computation:

  • Standard deviations of X, Sx = 1.88
  • Standard deviations of Y, Sy =2.45
  • Correlation coefficient, r between X and Y = 0.75

The slope (b) of the line is calculated as

b = r * Sy/Sx

Substitute the known values in the above equation, so, we have the following representation

b = 0.75 * 2.45/1.88

Evaluate

b = 0.98

<h3>The equation of the line of best fit</h3>

A linear equation is represented as

y = bx + c

Where

Slope = b

y-intercept = c

In (a), we have

b = 0.98

So, we have

y = 0.98x + c

Recall that the point (13, 9) is on the line of best fit.

So, we have

9 = 0.98 * 13 + c

This gives

9 = 12.74 + c

Evaluate

c = -3.74

So, we have

y = 0.98x - 3.74

<h3>The value of y from x</h3>

Here, we have

x = 12

So, we have

y = 0.98 x 12 - 3.74

Evaluate

y = 8.02

Read more about line of best fit at

brainly.com/question/1564293

#SPJ1

You might be interested in
The “box” part of a box-and-whisker plot represents __________.
Ganezh [65]

B. the middle half of the data set

6 0
3 years ago
The product of thirteen and a number
HACTEHA [7]
13x because you are saying the product of 13 that means 13x
6 0
3 years ago
Read 2 more answers
Triangle STV has vertices S (-3, -2) , T (-4, 3) and V (-2, 3). If (x, y) arrow (x+2, y-3), what are the vertices of its image?
jeka94

Answer:

  see below

Step-by-step explanation:

The mapping tells you how to find the vertices of the image:

  (x, y) ⇒ (x +2, y -3)

  S(-3,-2) ⇒ S'(-3 +2, -2 -3) = S'(-1, -5) . . . . . matches choice D

  T(-4, 3) ⇒ T'(-4 +2, 3 -3) = T'(-2, 0)

  V(-2, 3) ⇒ V'(-2 +2, 3 -3) = V'(0, 0)

8 0
3 years ago
Please help me with this​ only c.
allsm [11]

Answer:

.

Step-by-step explanation:

8 0
3 years ago
If x / 3 equals 6 then x equals
sleet_krkn [62]

Answer: X = 18

Step-by-step explanation:

Crossmultiply

8 0
3 years ago
Other questions:
  • Calculate the value of<br>6+(12245 - 1)​
    15·2 answers
  • Please answer this correctly without making mistakes
    8·1 answer
  • Find tan Ø, given that sin Ø = - 4/5 and cos Ø&gt;0.
    10·1 answer
  • 76 less than the quotient of an unknown number and 5 is 116.
    15·1 answer
  • The bowling lanes charge an hourly fee for bowling and $2 to rent shoes for the day. Gerry rented shoes and bowled for 2 hours a
    7·1 answer
  • If an relationship is proportional what is the missing value from the table?​
    15·1 answer
  • 1. A beer that was 10 proof would contain approximately what percentage of
    9·1 answer
  • Please help thank u!!!!!!
    5·1 answer
  • WHICH ONE OF THESE NUMBERS IS AN
    7·1 answer
  • See photo, it’s got to do with Pythagoras theorem but I don’t understand. Please help
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!