A sociologist recorded the number of contacts entered in a cell phone and the number of texts sent in a week for 20 cell phone users. The resulting data were used to conduct a hypothesis test to investigate whether there is a linear relationship between the number of contacts and the number of texts sent. What are the correct hypotheses for the test?

a. H0:β1=0 Ha:β1≠0

b. H0:β1=0 Ha:β1>0

c. H0:β1=0 Ha:β1<0

d. H0:β1≠0 Ha:β1=0

e. H0:b1=0 Ha:b1≠0

Answers

Answer 1

The correct option for the hypotheses for the test is a. H0: β1 = 0 Ha: β1 ≠ 0

What is Statistic?

The statistic is the study of mathematics that deals with relations between comprehensive data.

Here,

The correct hypotheses for testing the linear relationship between two variables can be stated as:

H0: β1 = 0 (there is no linear relationship between the number of contacts and the number of texts sent)

Ha: β1 ≠ 0 (there is a linear relationship between the number of contacts and the number of texts sent)

Therefore, the correct option for the hypotheses for the test is a. H0: β1 = 0 Ha: β1 ≠ 0

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Will name brainliest

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Every word may not be used, but each may not be used more than once.

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Step-by-step explanation:

ii) reflexive property

iii) AAS

please help me.. I don't understand what it is..

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9514 1404 393

Answer:

  22.6

Step-by-step explanation:

The diagonal of the square is they hypotenuse of an isosceles right triangle with sides of 16 inches. The Pythagorean theorem tells you its length (d) is ...

  d^2 = 16^2 +16^2 = (16^2)(2)

Taking the square root, we have ...

  d = 16√2 ≈ 22.6 . . . . inches

What percent of the students surveyed are seniors who take the bus

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Answer:

More infomation.

Step-by-step explanation:

Help me on this question please!

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31.2 or G

Step By Step Explanation:

13 is what fraction of 4? Use the tape diagram to support your answer.

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Answer:

3 1/4

Step-by-step explanation:

13/4 = 3 1/3

Find the volume of the following figure using unit cubes.

Answers

Answer:

Volume : 94

Step-by-step explanation:

2(4 x 5) = 40

2(3 x 5) = 30

2(3 x 4) = 24

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

40 + 30 + 24 = 94

Pls help I will mark branliest

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Answer:

Step-by-step explanation:

Please help me wiht this

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Answer:

Kevin

Step-by-step explanation:

If y=10 and the equation is 60=6y is it true or false 

Answers

Answer:

The answer would be true.

Step-by-step explanation:

Since 10 equals y that means that 60=6y is true because 6x10 is 60.

Solve for n.
n+ 1 = 4(n-8)
O n = 1
On = 8
On = 11
O n = 16
Save and Exit
Next
Sub
Mark this and return

Answers

n=11
hope this helps!!!

What are the growth/decay factors and rates for the following functions?
a. y=1000(1.03)x
b. f(x)=200(0.8)x

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Answer:

gududu0hxosjvacsivhxhvsaiojvxsaxisahvhvhxsaixjs

If the base area of a cylinder is 176.625
square centimeters and the height is 3.5
centimeters, determine the volume of the
cylinder

Answers

Answer:

618.1875 cm^3

Step-by-step explanation:

Volume = base area x height, so 176.625 x 3.5 = 618.1875

simplify (a-4b)(a-2b)​

Answers

the answer is a^2 - 6ab + 8b^2

Given Angle 1 =xº and angle 2 = (x +50)°.
Find the value of x. Then find angle 1 and 2

Answers

Answer:

x=65

Angle 1=65

Angle 2=115

Step-by-step explanation:

We know that angle 1 + angle 2 = 180. Writing it in terms of x, we get x + (x + 50)= 180. Then you have 2x+50=180. Subtracting 50 from both sides gives you 2x=130. Dividing both sides by 2, you get x=65. Angle 1 is 65 degrees. 180-65=115.

Mark and Doug work at the mall. Last week,
Mark worked five less than three times the
number of hours that Doug worked. If their total
number of combined hours was 13 more hours
than Mark worked, how many hours did they
work in total?

Answers

If Mark and Doug work at the mall and their total number of combined hours was 13 more hours than Mark worked, The number of hours they work in total is 47 hours.

How to find the hours worked?

Let x represent the time Doug  worked

let 3x - 5 represent the number of hours Mark worked

Hence,

x + 3x - 5 = 3x -5 +13

4x-5=3x-5+13

4x-5=3x+8

Add 5 to both side

4x-5+5 =3x+8+5

simplify

4x =3x +13

subtract 3x from both side

4x -3x = 3x + 13 =3x

1x = 13

x =13/1

x =13 (Doug)

Hence,

3x -5 where x = 13

3 (13) -5

= 39 -5

= 34 hours (Mark)

Total hours

(Doug + Mark)

= 13 hours + 34 hours

= 47 hours

Therefore the total hours is 47 hours.

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19. A cone has a diameter of 36 meters and a slant height of 24 meters. What is the height of the cone to the nearest tenth?
24 m
36 m

Answers

9514 1404 393

Answer:

  15.9 m

Step-by-step explanation:

The radius (18 m) and the slant height form one leg and the hypotenuse of the right triangle that has the cone height as the other leg. The Pythagorean theorem tells you the height (h) is ...

  18² + h² = 24²

  h = √(576 -324) = √252

  h ≈ 15.9 . . . . . meters

The height of the cone is about 15.9 meters.

WIll GIve 50 Points Very Easy Easy Plz Help

Answers

vert: 2 & 4
corresponding: 4 & 8
alt int: 4 & 6
alt ext: 1 & 7
supplementary: 7 & 8

Answer:

Vertical Angles- 1 and 3

Corresponding Angles- 2 and 6

Alternate Interior Angles- 4 and 6

Alternate Exterior Angles- 2 and 8

Supplementary Angles- 1 and 2

3. Susan plans to order concert tickets that cost $45 each. She will also have to pay a $10
service charge for the order. To find the total amount she must pay, Susan used the
expression 45n+10, where n is the number of tickets ordered. What is the total amount of
money Susan must pay if she orders 5 tickets? *

Answers

Answer:

The total amount of money Susan must pay if she orders 5 tickets is $235.

Step-by-step explanation:

Simply plug in the number of tickets!

45(5) + 10 = $235

Answer:

235

Step-by-step explanation: couldnt put the answer before bc a bot put one

The following is an estimated demand function: Q = 875 + 6X +15Y − 5P Where Q is quantity sold, X is advertising expenditure (in thousands of dollars), Y is income (in thousands of dollars), and P is the good's price. The R2 was 0.92; the F-statistic was 57; the Standard Error of the Estimate (SEE) is 25. In the above regression: A. income has the highest importance in predicting sales. B. all of the options. C. the regression model is capable of explaining 92% of sales. D. if price increases 10 dollars, the sales will decrease 50.

Answers

Answer:

See step by step explanation

Step-by-step explanation:

Q = 875  + 6 * Adv. expenditure + 15* Income - 5 * Product price

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D.- If the price is increased by 10 $ demand will decrease in 50

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Answers

Answer:

You are correct the tax would be that

Step-by-step explanation:

what does m EB equal? please show your work

Answers

There are 360 degrees in a circle
10x+5+140+45+2+11x=360
21x+192=360
21=168
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Eb would be the same as the central angle
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Plss help me ASAP pls ASAP thank you

Answers

I think 7 is B and 8 is A, but im not really sure about this so im sorry if this is wrong

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please help

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The answer is 52 in

Step-by-step explanation:

answer is 52

i hope this helps

Math

A cookie cutter shark is 0.4 meter long, and a thresher
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Answers

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Answers

Answer:

it's could be 2

Step-by-step explanation:

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you will need 60 cubics units

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3^10 + 4^5​

Answers

answer

60073

explanation

3^10 + 4^5 = 60073

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Answers

Answer:

35.0 , 35.0 , 35.061 , 135.9

Step-by-step explanation:


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i believe the answer is the last on KJM and KJH

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1-3 2-2 3-4 4-1 there you go
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