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lisov135 [29]
3 years ago
7

What is a positively skewed distribution

Mathematics
1 answer:
MAXImum [283]3 years ago
8 0

Answer:

In a positively skewed distribution, the mean is usually greater than the median because the few high scores tend to shift the mean to the right. ... In a negatively skewed distribution, the mean is usually less than the median because the few low scores tend to shift the mean to the left.

Step-by-step explanation:


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In his​ motorboat, Bill Ruhberg travels upstream at top speed to his favorite fishing​ spot, a distance of 270 ​mi, in 5 hr.​ Re
stellarik [79]

Answer:

D = rate x time

 

D = (rate of current + rate of boat) x time

 

168 = (y - x) t against the current trip upstreams

168 = (y + x) t with the current trip downstream

 

168 = (y - x) 4

168 = (y + x) 3.5

 

since 168 = 168, we can set the equations equal to each other:

 

(y - x)4 = (y+x)3.5

4y - 4x = 3.5y +3.5x

4y - 3.5y = 3.5x + 4x

0.5y = 7.5x

y =15x

 

the rate of the current is 15 times the rate of the boat.

168 =4(15x) - 4x

168 = 60x - 4x

168 = 56x

x = 3

 

y = 15x

y = 15(3)

y = 45

 

Step-by-step explanation:

4 0
3 years ago
Marcelina uses a blend of white corn and yellow corn to make tortilla chips at her restaurant. She needs to
UNO [17]

Answer:

Option C. Marcelina spends less that the intended amount of money and buy the correct amount of corn

Step-by-step explanation:

<u><em>The complete picture of the question in the attached figure</em></u>

Let

x---->  is the amount of white corn she buys

y ---> is the amount of yellow corn she buys

we know that

She needs to buy 50 kg of corn in total

so

x+y=50 ----> equation A

She wants to spend $12 dollars total

so

0.30x+0.15y=12 ----> equation B

The solution of the system of equations is the intersection point both graphs

The solution is the point (30,20)

That means

Marcelina needs to buy 30 kg of white corn and 20 kg of yellow corn

we have the ordered pair D(15.35)

That means

15 kg of white corn and 35 kg of yellow corn

therefore

Total kg of corn bought is

15+35=50\ kg\\50\ kg= 50\ kg

Total spend is

0.30(15)+0.15(35)=\$9.75\\\$9.75

therefore

Marcelina spends less that the intended amount of money and buy the correct amount of corn

6 0
3 years ago
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What set of reflections and rotations would carry rectangle ABCD Rotate 180°, reflect over the y-axis, reflect over the line y=x
Aleks [24]

Answer:

Ok

Step-by-step explanation:

7 0
3 years ago
The head of the math department compared the scores of students in two classes on the Chapter 2 test. He found that the mean sco
SCORPION-xisa [38]

Answer:

5206

Step-by-step explanation:

9-526*+

6 0
3 years ago
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Find the greatest common factor of the monomials. 16x, 36x ...?
Artemon [7]
The answer is simple.
First, you must look what is the least among the list. In this case, it is 16x.
Then get the factors of 16x and they are (4,4) , (8,2) and (16,1).
Since you can't then divide it to 36.

Since you can't divide 36 by 16 and 8. You must eliminate them from the list of GCF. 
2 and 4 are possible but 4 is the greatest Common Factor which can be divided to both 16 and 36.
5 0
3 years ago
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