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ehidna [41]
3 years ago
12

principal phillipi used a random sample of 20 students records to determine how far, in miles, students live from the school. Th

e results are shown below 3 4 5 3 4 5 6 5 4 3 2 3 4 5 6 4 8 4 3 2 what is the mean distance that his students live from the school rounded to the nearest tenth
Mathematics
2 answers:
Vaselesa [24]3 years ago
6 0

Answer:

Da correct answer is 4.2

Step-by-step explanation:

Hope it helps and stay safe out there

zzz [600]3 years ago
5 0
To find the mean:

Take <span>3 4 5 3 4 5 6 5 4 3 2 3 4 5 6 4 8 4 3 2 and add them all together

=83

Now you divide 83 by the number of terms in the sample set, which is 20. 

83/20 = 4.15

For rounding to the nearest tenth, look at the hundredths space, which is 5. Since it is 5 or higher, round the tenths up one. 

final answer= 4.2 </span><span />
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Step-by-step explanation:

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Identify the arc length of TV in terms of π. (image is attached)
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Use the formula of arc length that is
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Find the value of x.<br><br> Brainlest for anyone who answers and explains it!
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3 years ago
1. Why is it important to separate experimental groups by a random process?
rusak2 [61]

Randomization allows a sample or small groups with similar characteristics to determine a probability or to hypothesize an event, that is why this type of sample is important in an experiment, that is, to carry it out in a random way.

<h3> What is randomization?</h3>

Randomization allows a sample or small groups with similar characteristics to determine a probability or to hypothesize an event, that is why this type of sample is important in an experiment, that is, to carry it out in a random way.

If a crop at a certain time of year, for example in summer, is affected by a certain fungus, to know if it is really the time of year that affects this problem, random samples of the same crop with the same characteristics and put it to the test at another time of the year to see if the weather is really a risk factor in the spread of this fungus.

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1 year ago
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