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sdas [7]
2 years ago
10

What is the most important criteria for a sample to be considered unbiased?

Mathematics
2 answers:
Aloiza [94]2 years ago
7 0

Answer:

Sampling Criteria is one must remember that two costs are involved in a sampling analysis viz., the cost of collecting the data and the cost of an incorrect inference resulting from the data. Researcher must keep in view the two causes of incorrect inferences viz., systematic bias and sampling error.

zysi [14]2 years ago
5 0

Answer:

A sample drawn and recorded by a method which is free from bias. This implies not only freedom from bias in the method of selection, e.g. random sampling, but freedom from any bias of procedure, e.g. wrong definition, non-response, design of questions, interviewer bias, etc.

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The temperature at 4 a.m. was -13 °F. The temperature was rising at a steady rate of 5 °F an hour. At what time will the tempera
lara [203]

I believe the correct answer is that the temperature will be 12 degrees F at 9 A.M. I hope this helps!

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3 years ago
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Going to the movies costs 9.50 per person. what is the slope of the line that models this situation, if x represents number of p
Pani-rosa [81]
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3 years ago
1.6 x 3.7 SOMEONE PLEASE SOLVE THIS DOING THIS “ first multiply all the numbers as if they were whole numbers, when you have you
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4 0
2 years ago
Triangle XYZ, XY= 80, ZY= 64 XZ= 48 what is the cosine
SVETLANKA909090 [29]

Answer:

cos=\frac{4}{5}

Step-by-step explanation:

Cosine is the adjacent side over the hypotenuse (You can remember sin, cos, and tan by using sohcahtoa or sin = opposite/hypotenuse, cos = adjacent/hypotenuse, tan = opposite over adjacent). I think a picture would help, too.

I attached a picture of what I think the triangle would look like.

If the picture is right (we're assuming it is) and going with what we're given (the triangle was addressed as triangle XYZ, meaning that <u>angle Y is in the middle and that's the one we'll use</u>).

Looking at my picture then:

cos=\frac{64}{80} \\cos=\frac{8}{10} \\cos=\frac{4}{5} .

6 0
3 years ago
I don't understand e. Please help
dexar [7]
Case 1: Probabilities cannot add up to a number greater (or less) than 1. This would mean there is greater than a 100% chance of something happening which just doesn't make sense. 0.4 + 0.4 + 0.3 = 1,1

Case 2: You cannot have a negative probability. That is claiming that there is a -10% chance of an event happening, there is at the very least a 0%. Despite them "adding" up to 1, the negative probability makes no sense.

Hope I helped!
6 0
2 years ago
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