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antiseptic1488 [7]
4 years ago
11

Activity 1: Matched pairs or independent/separate samples? For each of the prompts below, decide whether the parameter of intere

st is a mean difference (matched pairs, μ_d) or a difference in means (independent samples, μ_1- μ_2). Students want to know if it matters where they have their cell phone screen repaired. A sample of eight cell phones with broken screens was obtained. For each phone, an estimate for the screen repair in U.S. dollars ($) was obtained from a local store, where the phone would be dropped off and picked up, and from an on-line merchant, where the phone needs to be shipped to a national chain and shipped back. Your goal is determining if, on average, the estimate in dollars for the total repair from the on-line merchant is more (possibly because of the added cost of shipping) than the estimate from a local store.
Computers and Technology
1 answer:
cestrela7 [59]4 years ago
6 0

Answer:

:^{)

Explanation:

( ´・・)ノ(._.`)

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Maeve has created the website, but she is not able to include more than one blank space at a time. Even if she hits the SPACE bu
GenaCL600 [577]

Answer:

For the browser to display multiple spaces, Maeve must use   in her code to create more spaces.

Explanation:

  is known as hard space or fixed space. NBSP stands for Non-Breaking Space. The statement will continue without breaking into another line.

Maeve can easily use the   many times to get the required space she needs.

5 0
3 years ago
In Python, if var1 = "Happy" and var2= "Birthday" and var3 = (var 1+var2) *2, then var3 stores the string
nordsb [41]

Answer:

The answer is "Option A".

Explanation:

The program to the given question can be given as:

program:

var1 = "Happy" #defining variable var1

var2= "Birthday" #defining variable var2

var3 = (var1+var2) *2 #defining variable var3 and calculate value

print (var3) #print value.

Output:

HappyBirthdayHappyBirthday

In the above python program, three variable is defined, that is var1, var2, and var3, in which variable var1 and var2 we assign a value, that is "Happy" and "Birthday".

In variable var3 we add the value of var1 and var2 variable and multiply by 2. It will print the variable value two times. and other options are not correct that can be defined as:

  • In option B and C, Both variable var1 and var2 print there values two times but in option B var1 value print two time and var2 value print one time only and option C var1 variable value is print only one time and var2 variable value is print two times that's why it is not correct.
  • In option C, Both variable var1 and var2 print there values two times that's why it is not correct.

7 0
3 years ago
The Hudson Engineering Group (HEG) has contacted you to create a conceptual model whose application will meet the expected datab
alexdok [17]

Answer:

The diagram of the ER and depreciation is in the attachments.

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3 years ago
_______ software helps run the computer and coordinates instructions between other software and the hardware devices. select one
Mila [183]
'SYSTEM' <span> software helps run the computer and coordinates instructions between other software and the hardware devices.</span>
5 0
3 years ago
Because of the abundance of water on planet Earth, hydrogen gas (H2) is a candidate in the search for a replacement for petroleu
Dennis_Churaev [7]

The reason why plants are considered to be one step ahead in the utilization of hydrogen as an alternative fuel source is because; Plant cells possess water-splitting enzymes

<h3>What are splitting Enzymes?</h3>

Splitting Enzyme’s are like aldolases that catalyze the conversion of a molecule into two smaller molecules without the addition or removal of any atoms.

Now in plant biology, plants make use of he light-driven water-splitting/oxygen-evolving enzyme known as Photosystem II in photosynthesis to split water.

Read more about splitting enzymes at; brainly.com/question/14713715

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2 years ago
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