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Marrrta [24]
3 years ago
9

Write the improper fraction 31/20 as a mixed number?

Mathematics
1 answer:
sveta [45]3 years ago
7 0
\dfrac{31}{20}=\dfrac{20+11}{20}=\dfrac{20}{20}+\dfrac{11}{20}=1\dfrac{11}{20}
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In your own words, describe to someone who knows only a little statistics how to recognize when an observation is an outlier. Wh
erik [133]

Answer:

B)

Step-by-step explanation:

In statistics, an outlier is a data point that differs significantly from other observations.

This can happen because of different reasons: it may be due to variability in the measurement or it may indicate an actual experimental error. If it is an actual experimental error then it  can create problems when doing the statistical analysis.

A) We can say that this is true, the outliers are observed values far from the other data, however we can make a much deeper analysis of this.

B) This is the right answer, since we don't know what is really causing the outlier, we need to take a closer look to see if they are just mistakes (and therefore be removed). If they are not mistakes we need to do the analysis with and without them to reach correct conclusions.

C) this is wrong because although the part of the histogram is true. It is not true that they should be ignored.

d) The outliers differ significantly from the other data but this doesn't make them the minimum and maximum values in a data set and therefore they should not be treated as such.

Therefore, the correct answer is B)

3 0
3 years ago
A map has a scale of 2cm=50 km.If two cities appear 10 cm meters apart, how many kilometers apart really are they?
ra1l [238]

Answer:

2 cm = 50 km

Find what the rate would be if 2 became 10 by dividing

10/2=5

multiply the 5 with the rate

5 x 50 = 250

250 km apart

hope this helps

Step-by-step explanation:

4 0
3 years ago
In a week, 13 hens laid 65 eggs. What is the independent variable
scZoUnD [109]

Answer:

The hens are the independent variable

Step-by-step explanation:

An independent variable is something that isn't dependent on anything else. Whose laying the eggs? The hens right? So the number of eggs laid is dependent on the number of hens laying them. Basically the hens are the independent variable because the number of eggs is relying on the number of hens laying them.

5 0
3 years ago
Read 2 more answers
What is 2/2/4 simplified as a fraction
nadya68 [22]
2/2 is 1
You take the 1 and divide it by 4, 1/4
Your final answer is 1/4
7 0
3 years ago
What is the measure of each interior angle of a regular dodecagon?
SVETLANKA909090 [29]
D. 150 degrees is ur answer
8 0
3 years ago
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