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belka [17]
4 years ago
8

When we consider data quality, what are the differences among validity, reliability, and representativeness? How can you know th

e data have high levels of these characteristics?
Computers and Technology
1 answer:
MArishka [77]4 years ago
3 0

Answer:

Validity is the degree to which the research measures what it has to measure. High validity = Proper Research Design.

Reliability is the measure to which research measurement techniques are free of error or mistakes. High realiability = Reasearchers know the sample fully understands the question asked.

Representativeness is the extent to which consumers in a study are similar to the larger group of interest. High representativeness = Sample is large and chosen in an unbiased way.

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What connector has 4 pins, is used for older IDE drives and some SATA drives, and can provide +5 V and +12 V power outputs?
Dominik [7]

Answer:

The correct answer to the following question will be "Molex connector".

Explanation:

The Molex connector can be used for power connections on some kind of device for just a disk drive as well as many other electronic devices including CD-ROMs, display chips, etc.

  • Inside a PC shell, the Molex connectors carry DC power to a device.
  • Most providers offer accessible connections, not only the Molex as well as AMP connectors.

So, it's the right answer.

3 0
4 years ago
Sam wanted to open a file that he saved yesterday. Which component inside the computer stores this file? the hard drive the fax
PtichkaEL [24]
ANSWER: The hard drive.

Hope this was helpful! <3
7 0
3 years ago
Read 2 more answers
Assume that name and age have been declared suitably for storing names (like "abdullah", "alexandra" and "zoe") and ages respect
schepotkina [342]

Answer:

Explanation:

It is assumed that name and age have been declared suitably for storing names and ages. so the following is the code to read in a name  and age and printout the message "the age of name is age. "

cin >> Name;

cin >> Age;

cout << "The age of " << Name << " is " << Age << ".";

7 0
3 years ago
How do you write a multiplication formula in excel with an absolute refrence?
White raven [17]
To multiply all the numbers in column A by cell C2, add $ symbols to the cell reference like this: $C$2, which you can see in the example below. Using $ symbols tells Excel that the reference to C2 is “absolute,” so when you copy the formula to another cell, the reference will always be to cell C2.
4 0
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Instructions:Select the correct answer.
Gnesinka [82]
C) team leader is the answer
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