I
Table 1: multiple regression estimates.
reg sleep age toturk
Source
SS
df
MS
Model
Residual
15155229.8
124084606
2
703
7577614.89
176507.263
Number of obs
F(2, 703)
Prob > F
R-squared
Adj R-squared
Root MSE
706
42.93
0.0000
0.1088
0.1063
420.13
Total
139239836
705
197503.313
sleep
Coef.
Std. Err.
t
P>It!
[95% Conf. Interval]
age
toturk
cons
2.923879 1.396712
-.14901071 .0167207
34597201 68.11787
2.09
-8.91
50.93
0.037
0.000
0.000
.1816517
-.1818393
3335.462
5.666105
-.1161822
3602.939
Calculate the regression coefficients in the above table by hand, using the statistics below and the
formulas in Ben's Chapter 3 notes (“example with k = 2")?
Table 2: variances and covariances.
corr sleep age totwrk, covariance
(obs=706)
sleep
age
totwrk
sleep
age
totwrk
197503
455.554 128.655
-135324 -532.718
897700

Answers

Answer 1

Answer:

sleep ia word qjwjnwjeje


Related Questions

a line passes trough the point (1/2,2/3) and has a y intercept of 4. what is the slope of the line written as a fraction?​

Answers

Answer:

I believe the Slope is (m) =

ΔY

ΔX

= 1/1 = 1. The answer is 1/1 instead of 1.

Step-by-step explanation:

If a container of liquid contains 40 oz of​ solution, what is the number of ounces of pure acid if the given solution contains the following acid​ concentrations? ​(a) 20​% ​(b) 15​% ​(c) 40​% ​(d) 60​%

Answers

Answer:

(d) 60% hope this helped

PLEASE HELP FAST
The city council budgeted $536 to buy new garbage cans. If each garbage can costs $67, how
many garbage cans will the city be able to buy?
garbage cans
Submit

Answers

Answer:8 garbage cans

Step-by-step explanation:

The budget is $536 and each garbage can is $67 so you need to divide $536 by $67 and the answer is 8.


10 POINTS : What is the solution to the equation 3/5x-6=-1/6x+7, rounded to three decimal places?

Answers

Answer:

x = 16.957

Step-by-step explanation:

(3/5)x - 6 = (-1/6)x + 7

Add (1/6)x to both sides. Add 6 to both sides.

(3/5)x + (1/6)x = 7 + 6

(18/30)x + (5/30)x = 13

(23/30)x = 13

Multiply both sides by 30/23.

x = 13/1 * 30/23

x = 390/13

x = 16.957

The product of 2 and the sum of a number and 8 is equivalent to 16.
Which equation models this sentence?

Answers

x = some unknown number

x+8 = sum of the number and 8

2(x+8) = product of 2 and the sum of a number and 8

2(x+8) = 16 is the final answer

draw a flat shape that has no straight sides or angles

Answers

Answer:

try drawing a circle or an oval

Step-by-step explanation:

There are no edges or corners to a circle, ovals, or semicircles, making it a spherical form. Shapes may be categorized and sorted using these qualities as well as size.

What is a circle?

A group of points that are all at the same distance from a fixed point is how it is characterized (called the center of a circle).

Ovals, semicircles, circles, and other closed forms all lack straight lines. Having one curved edge and one straight edge, a semicircle is a closed form.

An oval is a circle that has been flattened such that it resembles an egg or an ellipse: a mirror with an oval shape; a face with an oval shape. Ellipsoidal comparison.

By dividing a circle into two equal halves along the diameter line, a semicircle is created. There is just one line of symmetry in the semicircle, and that is the reflection symmetry. A half-disk is another name for the semicircle.

Thus, the flat shape that has no straight will be ovals, semicircles, and circles.

Learn more about circle here:

brainly.com/question/11833983

#SPJ2

−3 ( −3b + 5 ) + 9 ( 7b + 5

Answers

−3 ( −3b + 5 ) + 9 ( 7b + 5

= 6(12b+5)

Answer:

72b+30

Step-by-step explanation:

Assuming that the other parentheses is after the 5 and not after 7b:

-3(-3b+5)+9(7b+5)

9b-15+63b+45

72b+30

Quadrilateral EFGH is a scaled copy of quadrilateral ABCD. Select ALL of the true statements.
A. Segment EF is twice as long as segment AB, True or False
B. Segment CD is twice as long as segment FG. True or False
C. The measure of angle HEF is twice the measure of angle DAB. True or False
D. The length of segment EH is 16 units. True or False
E. The measure of angle BCD is the same as the measure of angle GFE. True or False

Answers

Answer: b,e

Step-by-step explanation:

anyone do the Algebra 2 unit 1 test on edg?

Answers

Step-by-step explanation:

no not me .. I'm doing math unit test

The solution to the equation 3x + 7 = 16 - 2x is x = 9/5.

Option A is the correct answer.

We have,

To solve the equation 3x + 7 = 16 - 2x for x, we need to isolate the variable x on one side of the equation.

Let's solve it step by step:

Start with the original equation:

3x + 7 = 16 - 2x

- Add 2x to both sides of the equation to get rid of the -2x on the right side: 3x + 2x + 7 = 16 - 2x + 2x

- Simplifying, we have: 5x + 7 = 16

- Next, subtract 7 from both sides of the equation to isolate the term with x: 5x + 7 - 7 = 16 - 7

- Simplifying, we have: 5x = 9

- Finally, divide both sides of the equation by 5 to solve for x: (5x)/5 = 9/5

- Simplifying, we have: x = 9/5

Therefore,

The solution to the equation 3x + 7 = 16 - 2x is x = 9/5.

Learn more about equations here:

https://brainly.com/question/17194269

#SPJ2

The complete question:

Solve the following equation for x: 3x + 7 = 16 - 2x

a) x = 9/5

b) x = 5

c) x = 4

d) x = 6

factor an expression:
(x²+x+1)²+3x(x²+x+1)-18x²​

Answers

Answer:

( x - 1 ) ^ 2 ( x ^ 2 + 7 x + 1 )

Step-by-step explanation:

Sorry about the spaces, thought it would make it look better!

If f(x) = 2 - x, express 2f(a) + f(2a) in simplest form.

Answers

Answer:

6 - 4a

Step-by-step explanation:

From the question given,

f(x) = 2 - x

2f(a) + f(2a) =.?

First, we shall obtain f(a). This can be obtained as follow:

f(x) = 2 - x

x = a

f(a) = 2 - a

Next, we shall obtain 2f(a). This is can be obtained as follow:

f(a) = 2 - a

2f(a) = 2(2 - a)

2f(a) = 4 - 2a

Next, we shall obtain f(2a). This can be obtained as follow:

f(x) = 2 - x

x = 2a

f(2a) = 2 - 2a

Finally, we shall determine 2f(a) + f(2a) as follow:

2f(a) = 4 - 2a

f(2a) = 2 - 2a

2f(a) + f(2a) =?

2f(a) + f(2a) = (4 - 2a) + (2 - 2a)

2f(a) + f(2a) = 4 - 2a + 2 - 2a

2f(a) + f(2a) = 4 + 2 - 2a - 2a

2f(a) + f(2a) = 6 - 4a

Therefore, 2f(a) + f(2a) is equivalent to 6 - 4a

HEEEEEEEEEEEEEEEELLLLLLLLLLLLLP :(

Answers

1 2/5 for mixed number and 7/5 one fraction I think

10X10 in exponent form?

Answers

Answer:

[tex] {10}^{2} [/tex]

Step-by-step explanation:

10^2
10 to the power of 2

A gardener fills a 2 1/2 cubic foot wheelbarrow 2/3 of the way without soil weight 75.25 pounds. What is the weight of the soil un wheelbarrow?​

Answers

Volume of wheelbarrow , V = 2 1/2 ft³ = 5/2 ft³.

Volume of soil in wheelbarrow , [tex]v = \dfrac{5}{3}\ ft^3[/tex] .

Mass of soil in wheelbarrow , m = 75.25 pounds.

Now, volume left , [tex]v'=\dfrac{5}{6}\ ft^3[/tex] .

Let, mass of  soil un wheelbarrow is x.

[tex]x=\dfrac{\dfrac{5}{6}\times 75.25}{\dfrac{5}{3}}\\\\x=37.625\ pounds[/tex]

Hence, this is the required solution.

What is 1.939 × 105 in standard form?

Answers

Hey there!

ANSWER: [tex]203.595[/tex]EXPLANATION:

[tex]1.939*105[/tex]

Multiply.

[tex]1.939*105=203.595\\203.595(ANSWER)[/tex]

Hope this helps!

[tex]-TestedHyperr[/tex]

Answer:

193900

Step-by-step explanation:

usatestprep

Write 18/27 in simplest form

Answers

Answer:

Step-by-step explanation:

2/3

What is the value of the expression below?
x/3+6=12

Answers

Answer:

x=108

Step-by-step explanation:

x/3+6=12        [tex]\frac{x}{3+6}=12[/tex]

1) 3+6=9

2) multiply both sides by 9

     9x/9=12*9   [tex]\frac{9x}{9}=12*9[/tex]

3) Simplify

     9x/9=x    [tex]\frac{9x}{9}=x[/tex] (9 cancels out)

     12*9=108

      x=108

A rectangle is 3 times as long as it is wide. The perimeter is 24 feet. Find the dimensions.

Answers

Answer:

Width is 3 units, The Length is 9 units.

Step-by-step explanation:

Three times as much as 3, or 9, is how you find the lengths. This being- 3+3=6 and 9+9=18, 6+18=24, which is the perimeter, therefore 3 and 9 are the dimensions.

5 (-3.5) + 4 3/4 - 3.25 divided by -4

Answers

Answer:

4

Step-by-step explanation:

What is the common ratio for the sequence 54, 18, 6, 2, ...? -1/3 -3 1/3 3

Answers

Answer:

first term (a) = 54

Second term (b) = 18

common ratio = b/a = 18/54 = 1/3

Given: f = {(0, 1), (2, 4), (4, 6), (6, 8)} and g = {(2, 5), (4, 7), (5, 8), (6, 9), (7, 5)} Complete the ordered pair below for the function shown.
f(x)
-----
g(x)

(4,__)

6/7
1
7/6

Answers

Answer: Choice A.  6/7

=======================================================

Explanation:

The given ordered pair is (4, ___) so we have x = 4 here.

We will plug this into f(x) and g(x) to get

f(4) = 6

g(4) = 7

So we have [tex]\frac{f(4)}{g(4)} = \frac{6}{7}[/tex]

-----------

If you're curious where f(4) = 6 came from, all we're doing is looking through the set of points

f = {(0, 1), (2, 4), (4, 6), (6, 8)}

to see which has 4 listed first as the x coordinate. That point is (4,6) so x = 4 leads to y = 6, ie, f(x) = 6 when x = 4. A similar situation happens with g(x) as well.

BbhhhhhuskyNnnjhhhJndg.

Answers

.... What’s your question?

Which of the following math statements contains variables check all that apply A.3+6=x B.3+6=9 C. X+___=9 D.3+__=9
Answers
B.
D.

Answers

It is b because b is the most logical answer

Find the sum of the first 80 terms of the sequence. Show all work for full credit. 1, -3, -7, -11, ...

Answers

Answer:

-12960

Step-by-step explanation:

The formula for the sum of terms =

Sn = n/2[2a + (n - 1) d]

n = number of terms = 80

The given sequence =

1, -3, -7, -11, ...

a = First term = 1

d = common difference

= Second term - First term

= -3 - 1

= -4

Therefore, the sum of the first 80 terms:

S80 = 80/2[2 × 1 + (80 - 1)]-4

= 40[2 + 79]-4

= 40 × 81 × -4

= -12960

The sum of the first 80 terms = -12960

The circumstance of a circle is 36pi inches what is the radius for this circle

Answers

Circumference = 2pi*r

r = radius

In our problem,

circumference = 36pi

r = ?

Let's plug our values into the formula above.

36pi = 2pi * r

Divide both sides by 2pi

18 = r

Which of the following inequalities is incorrect?
00>-2
6 >-12
-5<-8
0-7<-5

Answers

Step-by-step explanation:

First, is 0 greater than -2? Correct

Next, is 6 greater than -12? Correct

Is -7 less than -5? Correct

Finally, is -5 less than -8? NERP!!

So C. is incorrect. Or in this case, it is...

Define same side interior

Answers

Answer:

two angles that are on the same side of the transversal and on the interior of (between) the two lines.

Step-by-step explanation:

If 1 gallon of paint covers 300 square feet, how many gallons
are needed for a room 30' long x 20' wide x 12' high?

Answers

Answer:

can we be friends

Step-by-step explanation:


[tex] \sqrt{3969} [/tex]

Answers

Answer:

63

Step-by-step explanation:

The result of accounting root is a fortified number

63²= 3969

the answer is 63 luv :))

Which mathematical symbol would best fill in the blank to compare the two real numbers?√7_14/5

Answers

Answer:

√7 is less than 14/5

Step-by-step explanation:

√7 equals about 2.6

14/5 equals 2.8

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