When do we use pooling in inference?

Answers

Answer 1

There are two versions of this test, one is used when the variances of the two populations are equal (the pooled test) and the other one is used when the variances of the two populations are unequal (the unpooled test).

Answer 2

Answer:

Step-by-step explanation:

Related Questions

Can someone help me find 10% of 25

Answers

Answer:

2.5 is 10% of 25 you just move it back a placement for 10 percent

Answer:2.5?

Step-by-step explanation:

do i add 40 + 45? Or multiply

Answers

Answer:

you add 40+45

Step-by-step explanation:

40+45=85

then you subtract 180 - 85 = 95

then divide x into 95 that will give you x=95

shopkeeper sells tins of the same dog food in packs of four or packs of six.

Packs of four tins cost £1. Packs of six tins cost £1.20

Which is the best value for money?
You must show your working.

Answers

Answer:

Pack of 6

Step-by-step explanation:

Pack of 4 = £1

Packs of 6 = £1.20

Price per unit of each pack:

Pack of 4 ;

Unit price : cost / units

Unit price = £1 / 4 = £0.25

Pack of 6 ;

Unit price : cost / units

Unit price = £1.20 / 6 = £0.20

Pack of 6 is the best value for money as it has a lower unit price

#4. Which property is shown? 5(x + 4) = 5x + 20

Answers

Answer:

Distributive Property of Addition

Step-by-step explanation:

The Distributive Property of Addition states that a(b+c) = ab + ac

Let me know if this helps!

What is the solution to the system of equations below?
y=-1/3x+6 and x=-6
(-6,8)
(-6.4)
(8.6)
(4-6)

Answers

Answer: (-6,8)
Explanation:

a) (-6,8)
i used the substitution method

Fill in the blanks

slope m = _____
y intercept = ______
equation = _____
Hint: y = mx + b

Answers

Answer: y = 4

Step-by-step explanation:

Slope m = 0

y intercept = 4

equation = y = 0x + 4 or just y = 4

Answer:

m= 0

y intercept= 4

Equation= Y=0x+4

Step-by-step explanation:

SUPER DUPER PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELP
For each value of x, determine whether it is a solution to 5x>/40.
8: yes or no
11: yes or no
4: yes or no
10: yes or no

Answers

Answer:

yes

Step-by-step explanation:

5. How many solution/s do linear inequality in two variable have?
A.O
B. 1
C. 2
D. Infinite

6. Which of the following in NOT a solution of the inequality x + y 2 5,?
A. (4, 5)
B. (3, 2)
C. (1,3)
D. (5,0)

7. An inequality using a > or s has a
A.horizontal
B.broken
line.
C. solid
D. vertical

8. If y > 5 + x, where can we find the solution set?
A.above the line
C. in the line
B.below the line
D. no solution set

9. Which of the following inequalities is represented by the given
graph?
A. 2x + y > 4
C. 2x + y 4
B. 2x + y < 4
D. 2x + y 24

10. Given the graph of y = 2x - 5 below, which of the following
ordered pair is NOT part of the solution set ?
A. (2, 5)
C. (2,-7)
B. (3,1)
D. (-2,-3)

Answers

Answer:

C. 2

A. (4, 5)

7.B.broken

line.

8.A.above the line

9.. 2x + y < 4

10.D. (-2,-3)

Answer:

C. 2

A. (4, 5)

7.B.broken

line.

8.A.above the line

9.. 2x + y < 4

10.D. (-2,-3)

Step-by-step explanation:

PLEASE MARK ME AS BRAINLIEST

SOMEONE HELP ME PLEASE. What is the missing number in the synthetic-division array?
-1
3
-1
-4
-3
-7
2
7
9
3
-10

Answers

Your answer should be 1 I’m sorry if this is incorrect and if it’s right pls leave Barinliest trying to rank up

Answer:

-9

Step-by-step explanatio

I need help pls...ty :)

Answers

Answer:

132

Step-by-step explanation:

because area is when you multiply 2 numbers and if you multiply 12 and 11 you will get 132 u welcome

To find 40% of 75, Priya calculates 2/5⋅75. Does her calculation give the correct value for 40% of 75? Explain how you know.*

Answers

Answer:

Answer: Yes , priya calculated correctly . The value of 40% of 75 is 30

Step-by-step explanation:

When placed near a second charge, a 60-μC charge experiences a force of 0.30 N. What is the electric field strength at the location of the 60-μC charge? What is the strength of the electric field at the location of the test charge?

Answers

Answer:

[tex]E=5000N/C[/tex]

Step-by-step explanation:

From the question we are told that

Charge [tex]q= 60 \mu C[/tex]

Force [tex]F_=0.30N[/tex]

Generally the equation for electric field strength is mathematically given as

[tex]E=F/q[/tex]

[tex]E=\frac{0.30}{60*10^-^6}[/tex]

Therefore

[tex]E=5000N/C[/tex]

Brenda wants to attach a string of beads along the circular bottom edge of the lampshade shown
below. The diameter of the bottom of the lampshade is 16 centimeters.
About how many centimeters long should Brenda make the string of beads?

Answers

Answer:

its 50

Step-by-step explanation:

There are
68
people at a show.
The ratio girls to boys is
7:10

Find how many girls and boys there are.

Answers

Answer:

28 girls and 40 boys

Step-by-step explanation:

68/17=4

4*7=28

4*1=40

pls help <3 i mean i’m sure it’s easy but i don’t know what to write.

Answers

Circumference/Diameter = pi = 3.14
C/D = pi = 3.14

5/8 + 5/6 = ? ( Simplfy It)

Answers

Answer:

1 11/24

Step-by-step explanation:

30/48+40/48=70/48=1 11/24

Answer:

15/24 + 20/24 = 35/24 = 1 11/24

Step-by-step explanation:

because 6 and 8 lcm = 24 soooo

5x4 + 5x3 = 20 + 15 = 20/24 + 15/24

which is 35/24 which equals 1 11/24

hope it helps :>

Find the measure of angle b

Answers

Answer:

Step-by-step explanation:

180-103=77

usidjxxjxhxuxhxjxjhxhxhxhxjxhxhxhxj

Find the length of the third side. If necessary, round to the nearest tenth.

Answers

Answer:

7.8

Step-by-step explanation:

1. 5^2 +6^2=x^2

2. 25+36 = x^2

3. 61=x^2

4. [tex]\sqrt{61}[/tex] = 7.8

Need Help Due Tomorrow

MUST SHOW WORK!
don’t bother answering if not going to show work

Answers

Step-by-step explanation:

If D8=127

Therefore D4 =D8 (because corrosponding angles (forming 'F')

Therefore, the D4=D1(because vertically opposite angle)

There fore D4+D1

i. e 127+127 =254

The option (A) is the correct one

PLZZ GIVE ME BRAINLIEST TAG

THANK YOU........

solve the simultaneous Equation
3/x- 4/y= 1/3

Answers

Answer:

a simultaneous equation is a set of equations. you need at least another equation.

Answer:

Step-by-step explanation:

Let's solve for x.

3x−4y= 1/ 3

Step 1: Add 4y to both sides.

3x−4y+4y= 1/ 3 +4y

3x=4y+ 1/ 3

Step 2: Divide both sides by 3.

3x/ 3 = 4y+ 1/ 3

3 x= 4/ 3 y+ 1/ 9

Answer:

x= 4/ 3 y+ 1/ 9

Let's solve for y.

3x−4y= 1/ 3

Step 1: Add -3x to both sides.

3x−4y+−3x= 1/ 3 +−3x

−4y=−3x+ 1/ 3

Step 2: Divide both sides by -4.

−4y/ −4 = −3x+ 1/ 3

−4 y= 3/ 4 x+ −1/ 12

Answer:

y= 3/ 4 x+ −1/ 12

A customer wants to tip 25% on a restaurant bill that is $55. What will be the tip that should be left?

Answers

Answer:

$13.75 as the tip

Step-by-step explanation:

25% of 55$ = $13.75

Write an equation that has a slope of ½ and a y-intercept of -6.

Answers

Answer: y=1/2x-6

Step-by-step explanation:

Answer:

y=1/2x + -6

Step-by-step explanation:

its just the y = mx + b forulma but you just plug in the numbers

Hope this helps :)

Map Proportionality: You have a map where Indy and Fort Wayne are 19 centimeter apart. Kokomo and Indy are 9.5 cm apart on the map. If you know that Indy and Fort Wayne are actually 120 miles apart, how far apart would Indy and Kokomo be in real life? Express your answer rounded to the nearest tenth of

Answers

Answer: 60 miles

Step-by-step explanation:

On a map, Indy and Fort Wayne are 19 centimeter apart while Kokomo and Indy are 9.5 cm apart on the map.

In real life, Indy and Fort Wayne are actually 120 miles apart, the distance between Indy and Kokomo in real life would then be:

= 9.5 × 120/19

= 120/2

= 60 miles

Indy and Kokomo are 60 miles apart in real life.

There of the ABCD are given. fine the coordinates of point D. A(3, 6) B(6,3) D(x, y)

Answers

Answer:

A. (3,2) . I recommend using desmos to find the coordinates

9514 1404 393

Answer:

A. (3, 2)

Step-by-step explanation:

The midpoints of the diagonals are the same point, so you have ...

X = (A +C)/2 = (B +D)/2

A +C = B +D . . . . . . . multiply by 2

A +C -B = D . . . . . . . subtract B

The coordinates of D are ...

D = (3, 6) +(6, 3) -(6, 7) = (3+6-6, 6+3-7)

D = (3, 2)

Is line BC parallel to line DE?

Answers

yes the lines are parallel

PLEASE HELP!!
The choices are...

A) 4
B) 3
C) 2
D) 1

Answers

Answer:

C) 2

Step-by-step explanation:

The points from the second line are 2 times the amount of the coordinates of the first line

I will give brainliest if correct !!

Answers

Answer:

Step-by-step explanation:

Can someone help me solve this matrix

Answers

Answer:

You cant add a negative number.

Step-by-step explanation:

If you add a negative number you will not have a full answer.

write an equivalent expression.
-2x + 7

Answers

Answer:

7-2x

Step-by-step explanation:

Help guys I really need it

Answers

Answer:

yes it does

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

Other Questions

Ana read 7 books. Each book had 5 chapters. She read the same amount of chapters every day for "n" days Name the stages of mitosis! This is the opening extract of the novel, The Woman In Black. In this extract, the narrator discusses what his life is like now, long after a traumatic ordeal with a ghostly woman who stole the life of his only son.CHRISTMAS EVEIt was nine-thirty on Christmas Eve. As I crossed the long entrance hall of Monks Piece on my way home from the dining room, where we had just enjoyed the first of the happy, festive meals, towards the drawing room and the fire around which my family were now assembled, I paused and then, as I often do in the course of an evening, went to the front door, opened it and stepped outside.I have always liked to take a breath of the evening, to smell the air, whether it is sweetly scented and balmy with the flowers of midsummer, pungent with the bonfires and leaf-mould of autumn, or crackling cold from frost and snow. I like to look about me at the sky above my head, whether there are moon or stars or utter blackness, and into the darkness ahead of me; I like to listen for the cries of nocturnal creatures and the moaning rise and fall of the wind, or the pattering of rain in the orchard trees, I enjoy the rush of air towards me up the hill from the flat pastures of the river valley.Tonight, I smelled at once, and with a lightning heart, that there had been a change in the weather. All the previous week, we had had rain, chilling rain and a mist that lay low about the house and over the countryside. From the windows, the view stretched not farther than a yard or two down the garden. It was wretched weather, never seeming to come fully light, and raw, too. There had been no pleasure in walking, the visibility was too poor for any shouting and the dogs were permanently morose and muddy. Inside the house, the lamps were lit throughout the day and the walls of larder outhouse and cellar oozed damp and smelled sour, the fires sputtered and smoked, burning dismally low.My spirits have for many years now been excessively affected by the ways of the weather, and I confess that, had it not been for the air of cheerfulness and bustle that prevailed in the rest of the house, I should have been quite cast down in gloom and lethargy, unable to enjoy the flavour of life as I should like and irritated by my own susceptibility. But Esme is merely stung by inclement weather into a spirited defiance, and so the preparations four our Christmas holiday had this year been more than usually extensive and vigorous.I took a step or two out from under the shadow of the house so that I could see around me in the moonlight. Monks piece stands at the summit of land that rises gently up for some four hundred feet from where the little River Nee traces its winding way in a north to south direction across this fertile, and sheltered, part of the century. Below us are pastures, interspersed with small clumps of mixed, broadleaf woodland. But at our backs for several square miles it is quite a different area of rough scrub and a heathland, a patch of wildness in the midst of a well-farmed country. We are but two miles from a good-sized village, seven from the principal market town, yet there is an air of remoteness and isolation which makes us feel ourselves to be much further from civilization. Bullet point what happens.Find four references to the senses of sight and sound in the extract.Write these into a paragraph.Find four emotions in the extract and write these into a paragraph. PLSS I NEEED HELP ON THIS QUESTION.. A zookeeper is 6 feet tall. A young giraffe in his care is 9 feet tall.1. How many times as tall asthe zookeeper is the giraffe?2. What fraction of the giraffe'sheight is the zookeeper's height?(Pls help due in 40 minutes) Select the sentence that has the adverb in the correct location. A.)She eats, and now her slowly hot apple pie dessert is cold.B.)She eats her apple pie, and now it is slowly hot and cold.C.)She eats her hot apple pie, and now, slowly her dessert is cold.D.)She eats slowly, and now her hot apple pie dessert is cold. Mansa Musa furthered the spread of Islam throughout the Sahel by building several __________.A.schoolsB.librariesC.palacesD.mosquesPlease select the best answer from the choices providedABCD Is there anybody here good at medical terminology??? pls I need help on one of my questions. Where are the 36 ATP come from during cellular respiration?A. 2 from glycolysis, 2 from oxidation of pyruvate and 32 from Krebs cycleB. 2 from glycolysis, 2 from Krebs cycle and 32 from electron transport chainC. 2 from glycolysis, 2 from oxidation of pyruvate and 32 from electron transport chainD. 2 from oxidation of pyruvate, 2 from Krebs cycle and 32 from electron transport chain Helppppppppppppppppppppppppppp me plz 911406 con operaciones HELP ITS EASY JUST THAT IM DUM-B What is true about these two brothers that have brown eyes: One has genotype (BB) the other (Bb). B=brown eyes b= blue eyesA) The brothers have the same phenotype and genotypeB) The brothers have different genotypes and phenotypesC) The brothers have the same phenotype but different genotypesD) The brothers have the same genotype but different phenotypes i don't understand this! can someone help me add x-2xy+4xy-y,2x-5xy+3xy-4y MONKEYMANby Walter Dean MyersMonkeyman was courageous when he started??????????Monkeyman was inspired to be courageous when Use the figure to complete the statements point is the center of rotation the rectangle EFGH is rotated 90 around the origin in direction Whats the answer and can someone please explain it? Which country did Monroe specifically direct part of his doctrine?A. SpainB. France C. Great BritainD. Germany Solve for x.Your Answer:Question 3 options:Answer HELP ME I WILL GIVE BRAINIST AWANERR AND On a separate sheet of paper, choose three animals, one that lives in water, one that lives onland, and one that flies. Explain how each one moves and how it is uniquely adapted formovement within its environment.