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ziro4ka [17]
2 years ago
11

The dot plot below shows the number of toys 21 shops sold in an hour:

Mathematics
1 answer:
Firlakuza [10]2 years ago
3 0

Answer: A.Median; because the data is not symmetric and there are outliers

Step-by-step explanation:

From the given dot plot , we can see that the data plot is skewed not symmetric .

Aldo there are outliers at 9 since most of the dots are between 0 to 4.

We know that the median provides better description of the center of the data then mean when the data is skewed.

Therefore , the median is a better center for this data because the data is not symmetric and there are outliers.

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Hey guys i need your help what is 89 dividedby 2,908
Ivan

Answer:

The answer is 32.6741573034

Step-by-step explanation:

8 0
3 years ago
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I need help with exercises 3,4, and 6 please show all work and don’t answer number 5 just tell me if it is correct
joja [24]
*If you need me to do #5, DM me!

3. 
The area of a triangle can be given by (just plug and chug as always):
A_t = \frac{1}{2} bh = \frac{1}{2}(3)(4) = 6ft^2
The area of the triangle is 6ft².

4. I will divide into a triangle and a rectangle (because the actual equation for the area of a pentagon requires it to be a perfect pentagon). Let's do the triangle first (height is 3 because you subtract 12 from 15):
A_t = \frac{1}{2} bh = \frac{1}{2}(8)(3) = 12m^2
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Now we just add them:
96+12 = 108m^2

So, the area of that pentagon is 108m².

5. You are actually wrong on this one because the area of a triangle is:
A_t = \frac{1}{2}bh
So, just halve your answer and it will be correct.

6. We can just split it into 4 triangles of equal area and then multiply the area of 1 triangle by 4 to get the total area. Let's do just that:
A_t = \frac{1}{2}bh = \frac{1}{2}(2.5)(5) = 6.25cm^2
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8 0
3 years ago
Which number is equivalent to the fraction 15/7<br> A. 7/15<br> B. 2<br> C. 2 4/7<br> D. 2 1/7
nadezda [96]

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8 0
3 years ago
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Aleksandr-060686 [28]

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Step-by-step explanation:

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standard deviation = 20 pounds

<u>control group = 14 vehicles </u>

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standard deviation = 15 pounds

comparing  the sample variance of each group shows that they are probably unequal using the equation below

Variance for a sample set of data = ∑ ( x - X ) ^2 / n - 1

where n = number of events

X = mean value

x = value of events

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Answer:

x = 64°

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