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
Mama L [17]
3 years ago
9

The h.w. grant corporation used regression analysis to predict the annual cost of indirect materials. the results were as​ follo

ws: indirect materials cost explained by units produced constant ​$15,640 standard error of y estimate ​$3,600 r2 0.7704 number of observations 22 x​ coefficient(s) 11.25 standard error of​ coefficient(s) 2.19 what is the cost estimation​ equation?
Mathematics
2 answers:
grin007 [14]3 years ago
4 0
Indirect material cost: y
explained by units produced: x
Linear regression. Cost estimation equation: y=mx+b
Constant: b=$15,640
Standard error of y estimate=$3,600
r^2=0.7704
Number of observations: n=22
x coeffient: m=11.25
Standard error of x coefficient=2.19

m=11.25, b=15,640 → y=11.25x+15,640

Answer: The cost estimation equation is y=11.25x+15,640
evablogger [386]3 years ago
4 0
Answer: Y =<span> $11.25X + $ 15640</span>

Explanation:

1) This is the information given:

<span>Indirect materials cost explained by units produced

Constant:                                     ​$15,640
Standard error of y estimate ​        $3,600
r2                                                           0.7704
Number of observations              22
X-coefficient(s)                             11.25
Standard error of​ coefficient(s)     2.19

2) The regresssion analysis permits to obtain a linear equation to represent the correlation between two variables and predict one in terms of the other.

The form of the equation is that of a linear function:

Y = AX + B

3) So, the cost estimation requested is the varibale times its coefficient plus the constant.

Given:
           X-coefficient = 11.25
           constant = $ 15,640

Equation:Y = $11.25X + $ 15640
</span>
The other inforamation, i.e. standard error of  Y estimate, r^2, number of observations, and standard error coefficientes are other statistical numbers that permit to understand the quality of the regression
You might be interested in
a recipe for 1 handmade pizza calls for 2 1/2 cups all purpose flour. Showing your work below, how many cups of all purpose flou
KatRina [158]
You need to use the cross product method to find your answer :

1 pizza = 2 ½ cups
3 pizzas = × cups

((2 ½) • 3) ÷ 1 = × cups

7 ½ ÷ 1 = × cups

7 ½ = × cups

⇨ So your answer is: You would need to use 7 ½ cups of flour to make 3 handmade pizzas!

There you go. I really hope this helped, if there’s anything just let me know! ☻
3 0
3 years ago
I need the answer fast please​
Rainbow [258]
Substitute each value of x in y=2x-3

so,

first box (-2)
y= 2(-2)-3
y= -4-3
y= -7

second box (0)
y= 2(0)-3
y= 0-3
y= -3

third box (3)
y=2(3)-3
y=6-3
y=3
6 0
3 years ago
Read 2 more answers
Determine the measure of angle j: angle k: &amp; angle: l
Vikki [24]

Answer:

17=J

L= 180-17

 = 163

K=163

L=163

J=17

Step-by-step explanation:

3 0
3 years ago
PLZ HELP WILL GIVE BRAINLIEST 50+25 POINTS!!!<br><br>Graph the following piecewise function.
Luda [366]

We need to graph the given piecewise function.

To graph any piecewise function we do that into parts

Let's graph upper part first which is

f(x)=x^2+2

restriction for that is -5 \leq x < 3

that means we are free to pick any number for x that is between -5 and 3, including 3.

So we will find few points by plugging random numbers between -5 and 3.

Let's use x=-5, we get:

f(-5)=(-5)^2+2=25+2=27

so first point is (-5,27).

similarly we can find other points like (0,2), (2,6), (-1,3) etc.

Now we join those points by a curved line.

-5 \leq x means we use a close circle at -5

x<3 means use open circle at 3


------------

Repeat same process for 2nd part f(x)=x-4

choose any number between 3 and 7 like x=3, 4 etc

so we get points (3,-1), (4,0) etc

Now graph them

So the final graph will look like:


5 0
3 years ago
Read 2 more answers
A school was taking a field trip. The principal wanted 2 teachers for every 45 students. If 270 students will be attending the t
DaniilM [7]

Answer:

The answer is 6.

Step-by-step explanation:

If there are 270 students going on the trip and there would be a teacher for every 45 students you would have to divide.

You would divide 270 ÷ 45 = 6.

6 0
2 years ago
Other questions:
  • What is the value of 3×5+6×2+1
    14·1 answer
  • The liabary at a school is organized by fiction and non fiction books there a 3 nonfiction books per 7 fiction books how many to
    15·1 answer
  • In the circle shown, BD is a diameter, m1 = 100° and m = 30°. m3 = _____
    11·1 answer
  • Which algebraic expression has a term with a coefficient of 3?
    6·1 answer
  • Simplify i^ 31 1 −1 i -i
    9·1 answer
  • Help please!!!!!!!!!!!!
    8·1 answer
  • ,<br> If x=y and y = 18, what is the value of 2x-3?<br> 3<br> A) 21<br> B) 15<br> C) 12<br> D) 10
    8·1 answer
  • HELPPPPPPPPPPPPPPPPPPPPPPPPPPPP PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
    11·2 answers
  • Which expression is equivalent to (5^3)^-2
    10·1 answer
  • HELPPPPPPPPPPPPPPPPPPP!!!
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!