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love history [14]
4 years ago
15

Suppose that 20 students take a statistics exam worth 100 points. The standard deviation of the exam scores is 5 points. Which o

ne of the following statements gives the most reasonable description of the distribution of exam scores?a. All of the individual scores are five points apart.
b. The difference between the highest and lowest score is 5.
c. The difference between Q3 and Q1 is 5.
d. A typical score is within 5 points of the mea
Mathematics
1 answer:
AnnZ [28]4 years ago
3 0

Answer: D

Step-by-step explanation:

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Solve for y.
den301095 [7]

Answer by Mimiwhatsup:

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7 0
3 years ago
Round 81.139 to the nearest tenth
Gnesinka [82]
<em>If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).</em>


<em>If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).</em>

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6 0
3 years ago
Read 2 more answers
Evaluate the expression 6•14-(9+8)2
lora16 [44]

Answer:

50

Step-by-step explanation:

First things first, use PEMDAS.

Parenthesis is first.

(9+8) is in parenthesis. 9+8 is obviously 17.

The equation now looks like this:

6 x 14 - 17 x 2

There is no exponents, but there is multiplication. 6 x 14 is 84 and 17 x 2 is 34. They both are multiplication equations.

The equation now looks like this:

84 - 34

84-34 is 50. 50 is your answer.

8 0
3 years ago
Which set of data has a mean of 21
geniusboy [140]

PLEASE include a picture so we can answer!!!

6 0
2 years ago
Read 2 more answers
In the rectangle below, AE=2x+8, CE=5x+4, and m
ICE Princess25 [194]

Answer: 2x+8=12, 5x+4=29

Step-by-step explanation:

2x2=4+8=12

5x5=25+4=29

7 0
3 years ago
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