A consumer wanted to compare two types of battery storage. One type is refrigerated and the other is room temperature. It is a common belief that refrigerated batteries last longer. This belief is tested by placing 10 fully charged batteries into each type of storage and then measuring the percentage of charge remaining after thirty days. A coin tip was used to determine which type of storage each battery would be placed in first. Results indicated that there was no difference in the two types of storage Complete parts (a) through in below.
What type of experimental design is this?
A) Matched pairs design
B) Completely randomized design
C) Randomized block design
D) Case-control study

Answers

Answer 1

Answer:

A) Matched pairs design

Step-by-step explanation:

In experimental design, the match pairs experimental design is one that often involves only two treatment conditions; which in this case are the 'refrigerated and the room temperature battery storage types'.

Thus, these two treatment conditions form a matched pair because we are told that 10 fully charged batteries are placed into each type of storage.

Related Questions

help me please I will mark as top answer

Answers

Answer:

the answer is B

Step-by-step explanation:

Answer:

Step-by-step explanation:

your welcome

A customer purchased a lawn mower for a total purchase price of $318.75. If the state has a sales tax rate of 7.75%, what was the selling price of the lawn mower

Answers

Answer:

$343.45

Step-by-step explanation:

$318.75 x 1.0775 = $343.45

$318.75 x 0.0775 = $24.70

$318.75 + $24.70 = $343.45

The selling price of the lawn mower is $343.45 if the customer purchased a lawn mower for a total purchase price of $318.75.

What is percentage?

It is defined as the ratio of two numbers expressed in the fraction of 100 parts. It is the measure to compare two data, the % sign is used to express the percentage.

We have a customer purchased a lawn mower for a total purchase price of $318.75.

Sales tax rate = 7.75%

Sales tax amount = 7.75% of $318.75

Sales tax amount = $24.64 ≈ $24.70

Original price = 318.75 + $24.70 = $343.45

Thus, the selling price of the lawn mower is $343.45 if the customer purchased a lawn mower for a total purchase price of $318.75.

Learn more about the percentage here:

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#SPJ2

(x-8) (2x +9)
Test the equivalency of the two expressions by using the value x =9. Show your test.

Answers

im not being rude i was just trying yo say sais the Anser but.it wouldnt let mr so now im sad

A study reported that about half of young adults continue to text and drive, despite the dangers. To find out if this
applies to teens, you asked an SRS of 30 classmates if they texted while driving, and 13 responded "Yes."
To see if this result is surprising, you need to conduct a simulation to estimate the probability of obtaining a sample
result as low as yours.
Using the following line of random numbers, where even = Yes and odd = No, how many "Yes" responses are there if
this is the first trial of your simulation? Note: O is considered an even number.
71487 09984 29077 14863 61683 47052 62224 51025
0 11
0 14
16
0 19

Answers

Answer:16

Step-by-step explanation:

I just took this test on edgueinity

Answer:

Step-by-step explanation:

Ava 2022

What is the solution to this equation? 6x + 5 = 29 Enter your answer in the box. x =

Answers

X should be 4 , 6*4= 24 +5 =29

Answer:x=4

Step-by-step explanation: I took the K12 test and I got 100%

List the side lengths from shortest to longest

Answers

Answer:

MO, NO, MN

Step-by-step explanation:

Answer:

the lengths from shortest to longest is: m, o, n.

What is 200 as a percent?

Answers

Answer:

Step-by-step explanation:

So, we know that 200 can also be written as 200.00 which does not change the value of the number. Now, we can turn it into a percentage by moving the decimal point to digits back: 200.00 --> 20000. So, this means that 200 is 20000%.

20000% would be the answer

Please help me. Will give brainliest.

Answers

Answer:

b.) (6,7)

Step-by-step explanation:

the figure is translated 2 units to the left

56.4 - 27.3
what is the anwser

Answers

Answer:

the answer is 29.1. hope this helped

Step-by-step explanation:

use a fkn calculator

One inlet pipe can fill an empty pool in 6 hours, and a drain can empty the pool in 8 hours. How long will it take the pipe to fill the pool if the drain is left open? Express your answer as a reduced fraction.

Answers

Answer:

24 hours

Step-by-step explanation:

Let x represent the time required to fill both pipes if they are left open

1/6 + (-1/8)= 1/x

1/6 - 1/8= 1/x

Divide through by 48

48(1/6) -48(1/8) = 48(1/x)

8 - 6 = 48 x

2= 48/x

2x= 48

x= 48/2

x= 24

Hence it will take 24 hours to fill the pipe if the drain is left open

What is the midpoint of the segment shown below?
10
A. (10,1)
B.(5,1)
c.(5,1/2)
d. (10,1/2)

Answers

The answer is C (5,1/2)

The answer is C(5.1/2)

Solve the following inequality. Graph the solution.
4b + 3 < 19

Answers

Answer:

b<4 , I am not 100% sure on the graphing part and I have done this in 7th grade but I think it is A, not 100% sure.

Solve for x in the equation x squared minus 10 x + 25 = 35

Answers

Answer:

x=1

Step-by-step explanation:

10x+25=35

-25 -25

10x=10

10 divided by 10 is 1

x^2-10x+25=35

x= 5+ sqr root of 35
and
x= 5- sqr root of 35

What is the domain and range of the function Y=2x-4

Answers

Answer:

Domain: all real numbers

Range: all real numbers

Which number is closest to V6 ?

Answers

Answer:

2.44949

Step-by-step explanation:

hope this helps

Answer:

2.9

Step-by-step explanation:

In 1902, the yearly attendance at a major league baseball park was 3.4 × 105 people.
One hundred years later, the yearly attendance was 1.7 × 106 fans.
How many times greater was the attendance in 2002 than in 1902? Enter your answer in the box. helpppppp

Answers

Answer: 1902 had 357 people and 2002 had 180.2 people so, the answer would be

176.8

Step-by-step explanation: i hope this helps

plz tell me if its wrong so i can fix it

Find the 2nd term in the expansion of (1+3y)5

Answers

Step-by-step explanation:

Using pascal's triangle;

Then second term of the expansion (1+3y)5

is given as:

5(1)^4(3y) = 15y

Answer:

15y

Step-by-step explanation:

Compute 49/24 of 15/24. Give your answer as a fraction in simplest form (not a mixed number).

Answers

Answer: 35/16

Step-by-step explanation:

Answer:

35/16

Step-by-step explanation:

49x15=735

Denominator will stay the same because both are same (24)

Then you simplify 735/24

Which will give you 35/16

the price of 41gram apple is 10.25 rupees.then how many rupees for 1 kg apple

Answers

Answer:

1kg apple for 0.25 rupees

Step-by-step explanation:

Hope this helps!!

Which list has three equivalent fractions for 3/4?

Answers

1/3 and 2/3 and 4/4 yep I’m not good

Answer:

6/8 12/16 27/36

Step-by-step explanation:

−4x−y=24
whats the points

Answers

-4x-y=24
-4x=y+24
Y=-4x-24
Now that we have the question, we can plug numbers in for x to get y-coords.

-4(0)-24
-24
(0,-24)

-4(1)-24
-4-24
(1,-28)

Is there a proportional relationship between x and y?
5
10
6
9
2
Cans of Paint (x)
Bird Houses Painted (y)
15
30
18
27
6
Yes, k =2
Yes, k=3
No

Answers

Answer:

Unnnnnnnnnnnnnnnnnnnnnnnnbnbnnnn

Yes K=3 bc
3 times 5 is 15
3 times 10 is 30
3 times 6 is 18
3 times 9 is 27
And 3 times 2 is 6

A football player completed a 35 yard pass. How many inches did he
throw the ball?
1,000 in
1,260 in
1450 in
105 in

Answers

Answer:

1260 inches

Step-by-step explanation:

1 yard = 36 inches

35 * 36 = 1260 inches

What is the correct answer?

Answers

Answer:

d) 3

Step-by-step explanation:

4t^2 +5t -1

in this equation there are 3 terms:

4t^2, 5t, and -1

Answer:

answer is 3 because there are 4t square + 5t -1

1 2. 3

find the mean of the data set 0.2 0.4 1 0.25

Answers

Answer:

.4625

Step-by-step explanation:

To find the mean, add up all the numbers, then divide by the number of terms

(0.2 +0.4+ 1+ 0.25) /4

1.85/4

.4625

Solve this problem. 74-4^3+6= *

Answers

Answer: The answer is 16

Step-by-step explanation:

16

74-4^3+6

=74-64+6

=10+6

=16

can you help me on this question
they are the same but one of the is a bad pic

Answers

0.000017 in scientific notation would be: 1.7 x 10^-5

Solve for t when 15cos(2pi/365t)43

Answers

Answer:

|2y|+3=2+3

3cos^2(x)+2cos(x)−1=0

3x=4−x

Step-by-step explanation:

Hoped that helped if it did may I please have a brainliest :)

Answer:

152

Step-by-step explanation:

A slug travels 3 centimeters in 3 seconds. A snail travels 6 centimeters in 6 seconds. Both travel at constant speeds. Mai says, “The snail was traveling faster because it went a greater distance.”

Answers

Answer:

Mai is wrong since both travel the same distance in the same amount of seconds

Step-by-step explanation:

3 centimeters in 3 seconds is 1 centimeter a second for the slug

6 centimeters in 6 seconds is 1 centimeter a second for the snail

so both travel the same distance

Answer:

No, she is wrong. They are both going the same pace.

Step-by-step explanation:

3 centimer divided by 3 is 1. 1 cm a second. 6 centimeters didvided by 6 is 1.

1 cm a second. Hence they are both going the same speed. If you don't understand anything comment and ill explain more. Please heart and 5 stars and brainlest if you don't mind

q(x) = –2x+1
r.(x)=x²+2
Find the value of q (r (3)).

Answers

-21

r(3) = 3^2 + 2
= 11
q(11) = -2(11) + 1
= -22 + 1

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Which word best describes the tone of these stanzas from Teasdale's "After Love?" (10 points)There is no magic any more,We meet as other people do,You work no miracle for meNor I for you.You were the wind and I the seaThere is no splendor any more,I have grown listless as the poolBeside the shore. aConfident bAffectionate cHonest dProud Drive more slowly.Maneja ms despacioManejar ms despacio.Manejes ms despacio. Edwards Manufacturing Company purchases two component parts from three different suppliers. The suppliers have limited capacity, and no one supplier can meet all the companys needs. In addition, the suppliers charge different prices for the components. Component price data (in price per unit) are as follows:SupplierComponent 1 2 31 $12 $13 $102 $15 $12 $10Each supplier has a limited capacity in terms of the total number of components it can supply. However, as long as Edwards provides sufficient advance orders, each supplier can devote its capacity to component 1, component 2, or any combination of the two components, if the total number of units ordered is within its capacity. Supplier capacities are as follows:Supplier 1 2 3Capacity 525 975 900If the Edwards production plan for the next period includes 1025 uni Which rule(s) is used for combining velocities?A. Scalar rulesB. Vector rulesC. Equilibrium rule Name 5 Spanish explorers who daimed to have been in the continental United States in the 16th century. Complete the dialog between Gabriel and his sister Leonor as they decide how to set the table. Use the appropriate demonstrative adjective in theblanks, based on the item it refers to and the cue on how close to the item the person is (aqu, all, or all). Which choice has eukaryotic animal cells?oakLactobacillusvirusliver 1859 divided by 45 eeeee A power given only to the Federal Government, such as coining money:Concurrent PowerbNone of thesecDelegated Power dReserved Power How did society change from 1450 to 1750? Which government agency would you expect to be most concerned with the impacts of pollution?a. Environmental Protection Agency (EPA)b. Food and Drug Administration (FDA)C. Bureau of Land Management (BLM)d. Department of Fish and Wildlife during diffusion,how do the molecules physically get from one place to the other?(spaceship tractor beam? wiged monkeys?) you have three 1 dollar bills and 2 10 dollar bills in your wallet. you select a bill at random How much heat is released by 38 gram sample of water to freeze 1. Qu ocurre en la foto?2. Tiene el gato una imagen favorable de si mismo? Cmo lo sabes?3. Creen que los dems ven la misma imagen cuando miran al gato?4. Crees que la vidafamiliar afecta laautoestima de unapersona?can someone answer these for me? 2x-y ;x=5,y=1 evaluating algebraic expressions What is the weight of a 328N emperor penguin? What is the measure of Read the following introductory paragraph:Orville Wright, co-inventor of the airplane, was still alive the year Neil Armstrong, who would become the first man on themoon, signed up for flight training. This anecdote is more than a bit of mildly interesting trivia; it's proof that "life comes atyou fast. The person who creates an idea or a technology cannot know how it will develop in a few years, much less a fewcenturies. The man who took the first flight did not imagine rockets. Times change, and it makes no sense to insist on applyingthe concept of Original Intent to constitutional issues,What is the main function of the sentence "Orville Wright, co-inventor of the airplane, was still alive the year Neil Armstrong,who would become the first man on the moon, signed up for flight training," in the paragraph?It helps set the tone.It presents the thesis.It hooks the reader.It introduces the topic / provides background information. how bad is the corona virus?