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Sergeu [11.5K]
3 years ago
12

Experience shows that few students hand in their statistics exams early; most prefer to hand them in near the end of the test pe

riod. This means the time taken by students to write exams is positively skewed.
a. True
b. False
Mathematics
1 answer:
konstantin123 [22]3 years ago
4 0

Answer:

False

Step-by-step explanation:   6 28 13  50

skewing to the right of a sysmetrical distribution is a negative skew

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Which statement best explains whether the table represents a linear or nonlinear function?
Marta_Voda [28]

Answer: A.) It is a linear function because there is a constant rate of change in both the input and output values.

============================================================

Explanation:

Note how x is decreasing by 3 each time

  • -2-3 = -5
  • -5-3 = -8
  • -8-3 = -11

At the same time, y is also decreasing by 3 each time

  • 7-3 = 4
  • 4-3 = 1
  • 1-3 = -2

This means we have a linear function. We have,

slope = (change in y)/(change in x)

slope = (-3)/(-3)

slope = 1

Recall that slope is another term for rate of change, so a constant slope means we have a constant rate of change.

----------------

Another way to find the slope is to pick any two points from the table and use the slope formula

m = (y2 - y1)/(x2 - x1)

You should find that any two points you pick will lead to a slope of 1. I recommend you try out all possible pairs to help convince yourself the slope is 1.

7 0
3 years ago
Jeremy can row 1/3 of a mile in 1/4 of an hour what is the unit rate​
Monica [59]

Answer:

Step-by-step explanation:

1/3 of a mile in 15 minutes. 1.333 (4/3) miles an hour

7 0
3 years ago
amanda, lisa, and raquel together sold 54 tickets for the school play. amanda sold 22 tickets and lisa sold 14 tickets. how many
igor_vitrenko [27]
18 Is the correct answer. Add up 22 and 14 and you get 36.54 minus 36 is 18.Hope this helps somehow.:)
4 0
3 years ago
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When you have to convert 0.25 = to 5ft on a scale
nika2105 [10]
One quarter is answer I think
6 0
3 years ago
What is the value of 2 times 10 to the third power
ankoles [38]
The value is 20,000 because 2x10 equals 20, 20x1,000 equals 20,000
4 0
3 years ago
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