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katrin2010 [14]
3 years ago
10

The data below shows the average number of text messages sent daily by a group of people: 7, 8, 4, 7, 5, 2, 5, 4, 5, 7, 4, 8, 2,

1, 8 What will be the effect of introducing an outlier in the data? A.The median number of text messages sent daily will increase. B.The median number of text messages sent daily will decrease. C.The difference between the maximum and minimum number of text messages sent daily will increase. D. The difference between the maximum and minimum number of text messages sent daily will decrease.
Mathematics
2 answers:
enot [183]3 years ago
3 0
It all depends. You've given us an incredibly vague question.

The outlier could be a number that's low or quite high. Also, outliers
shouldn't really contribute towards the value of the mean, median or 
range related to a group of data.

They are called outliers because they are bizarre results or numbers
and should be detached from groups of data. Outliers by definition
are abnormalities or anomalies.

I'd say outliers don't really change anything, unless you actually want
to give them credibility or weight.

Large outliers can inflate the value of means, medians and ranges.

Small outliers will invariably deflate the value of means and medians.
dusya [7]3 years ago
3 0

Answer:

no!!!

Step-by-step explanation:

that is nt helpful at all

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Talja [164]

Answer:

2 over 5

Step-by-step explanation:

Common ratio =

7/ (35/2) = (14/2) / 7

Our answer became 2/5

7 0
3 years ago
Find the area of the figure.
SpyIntel [72]

Answer:

the length is 3

Step-by-step explanation:

length times 6 equals 2

6 divided by 2 equals 3

5 0
3 years ago
An isosceles trapezoid has base angles of 45° and bases of lengths 8 and 14. The area of the trapezoid is
Mice21 [21]

Answer:

Option A is correct.      

Step-by-step explanation:

Given an isosceles trapezoid has base angles of 45° and bases of lengths 8 and 14. we have to find the area of isosceles trapezoid.

An isosceles trapezoid has base angles of 45° and bases of lengths 8 and 14.

From the figure attached , we can see an isosceles trapezoid ABCD,

AB = 8cm and CD=14cm

So we have to find the value of AE which is the height of Trapezoid in order to find area.

In ΔAED

tan\angle 45 =\frac{AE}{ED}

⇒ AE=1\times 3

∴ AE = DE =3cm

\text{The area of the trapezoid=}\frac{h}{2}\times (a+b)

h=3cm, a=14cm, b=8cm

Area=\frac{3}{2}\times(14+8)=\frac{3}{2}\times 22=33 units^2

hence, \text{The area of the trapezoid is }33 units^2

Option A is correct.

3 0
3 years ago
Read 2 more answers
I really need help, struggling. Question is in image. ​
Dominik [7]

Answer:

164

Step-by-step explanation:

Checkpoint 2= -187

Checkpoint 1= -23

The negatives mean how much lower they are from the surface.

To find "how much lower," we need to subtract -23 from -187.

-187-(-23) is the same as -187+23 (2 negatives=1 positive)

-187+23= -164.

However, it's not negative in the answer because by asking how much lower, we don't need to have a negative. "How much lower" is a distance, and a distance is always positive.

5 0
2 years ago
I need help again, please help!
PolarNik [594]

Answer:

I am writing this in order of least to greatest.  [-2] [-1][0][1] [2]

Step-by-step explanation:

6 0
3 years ago
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