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
choli [55]
2 years ago
15

Use the regression calculator to compare the teams’ number of runs with their number of wins. a 2-column table with 9 rows. colu

mn 1 is labeled r with entries 808, 768, 655, 684, 637, 619, 613, 609, 563. column 2 is labeled w with entries 93, 94, 66, 81, 86, 75, 61, 69, 55. the equation of the trend line is
Mathematics
1 answer:
-Dominant- [34]2 years ago
4 0

The equation of the trend line is ŷ = 0.15x - 23.21

<h3>How to determine the average rate of change of the trend line?</h3>

The points are given as:

hr =>808, 768, 655, 684, 637, 619, 613, 609, 563

w =>  93, 94, 66, 81, 86, 75, 61, 69, 55.

Using a graphing calculator, we have the following calculation summary:

  • Sum of X = 5956
  • Sum of Y = 680
  • Mean X = 661.7778
  • Mean Y = 75.5556
  • Sum of squares (SSX) = 50569.5556
  • Sum of products (SP) = 7547.1111

The regression equation is represented as:

ŷ = bX + a

Where:

b = SP/SSX

b = 7547.11/50569.56

b = 0.14924

a = MY - bMX

a = 75.56 - (0.15*661.78)

a  = -23.20961

This gives

ŷ = 0.14924X - 23.20961

Approximate

ŷ = 0.15x - 23.21

Hence, the equation of the trend line is ŷ = 0.15x - 23.21

Read more about trend lines at:

brainly.com/question/2589459

You might be interested in
The radius,r , of a sphere is 4 . 3m Calculate the sphere's volume,v . Use the value 3.14 for sqaure, and round your answer to t
kotykmax [81]

Answer:

V(s) = 332,9 m³

Step-by-step explanation:

The volume of a sphere is:

V(s) = (4/3)*π*r³

if we know  r  = 4,3 m then

V(s)  = (4/3)*3,14*(4,3)³

V(s)  = 332,8693 m³

Rounding the answer to the nearest tenth

V(s) = 332,9 m³

4 0
3 years ago
Enter the equation of the circle described below. <br> Center (-1,4), radius = sqrt3
slava [35]
The equation of a circle always follows this:

(x - x1) + (y - y1) = r^2

x1 and y1 represent the coordinates as POSITIVE numbers and the r represent the radius

Your answer is (x + 1) + (y - 4) = 3
8 0
3 years ago
Read 2 more answers
Use this graph of velocity vs. time for two objects to answer the question.
Lynna [10]

Using derivatives, it is found that the correct option is:

A. Object C has an acceleration that is greater than the acceleration for D.

The acceleration is the <u>derivative of the velocity</u>, given by change in velocity divided by change in time, that is:

a = \frac{\Delta_v}{\Delta_t}

In this problem:

  • The change in time for objects C and T is the same.
  • The <u>change in velocity for object C is greater</u>, thus, it has a greater acceleration, and the correct option is:

A. Object C has an acceleration that is greater than the acceleration for D.

A similar problem is given at brainly.com/question/14516604

6 0
2 years ago
Read 2 more answers
What is the slope or change of 6(x-y) =5(x+y)
scoundrel [369]
6x - 6y = 5x + 5y ; / - 6x
We solve for y ;
-6y = -x + 5y ;  / -5y
-y = -x ;  / *(-1) ;
y = 1*x ;
The slope is 1.
3 0
3 years ago
A room contains 3 men and 5 women. A person leaves then re-enters the room 6 times, and 5 of those 6 times a man leaves the room
kondor19780726 [428]
5 of the 6 exits were men, so the experimental probability that a man exits the room is 5/6.
7 0
2 years ago
Other questions:
  • A florist has 5 tulips, 15 carnations and 25 roses. If the florist wants to create identical bouquets without any leftover flowe
    8·1 answer
  • the sum of three numbers is 44. the first number is 1 subtracted from 4 times the second number. the third is 9 more than the se
    10·1 answer
  • A guy wire is attached to an upright pole 6 meters above the ground. If the wire is anchored to the ground 4 meters from the bas
    13·1 answer
  • I have this problem for hw and it’s due tomorrow. can someone please help me? (it’s y-4 not 4-4)
    11·1 answer
  • Find the inverse of the given relation.
    14·1 answer
  • Circle E is being inscribed in ΔABC. The diagram shows all but the final step of the construction. What is the length of the rad
    13·1 answer
  • Plzzzzzz help Solve the system by Substitution.
    10·1 answer
  • Care este cel mai mic număr dintre 95.999,96.959,99.595 și 99.995 la care cifra unităților de mii este 5
    7·1 answer
  • You and a friend start riding bikes toward
    15·1 answer
  • What is b? Explanation and answer please.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!