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mash [69]
3 years ago
13

PLEASE HELP!! What is the standard deviation of a data set whose values are all the same?

Mathematics
2 answers:
amm18123 years ago
7 0

Recall that the formula for standard deviation of a sample is:
s
=
√
∑
n
i
=
1
(
x
i
−
¯
x
)
2
n
−
1
DaniilM [7]3 years ago
5 0

Answer:

zero

Step-by-step explanation:

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45 points If you help me with these please ?????ASAP
Nata [24]

Answer:

Step-by-step explanation:

the first graph has points (-1, -1) and (2, -2)

slope m = (y2-y1) / (x2-x1) = (-1+2)/ (-1-2) = 1/-3 = -1/3

the second graph has points (0, -3) and (2, 0)

slope m = (y2-y1) / (x2-x1) = (-3-0)/ (0-2) = -3/-2 = 3/2

for the table

x.         y

-3.        4

0.        1

slope m = dierence in y /diference in x = 4-1 / -3-0 = 3/-3= -1

5 0
3 years ago
PLEASE HELP ME!!!
Andrew [12]

Given:

A fraction is greater than \dfrac{3}{12}, is less than \dfrac{75}{100}.

The fraction has 6 as a denominator.

To find:

The fraction value.

Solution:

Let x be the required fraction.

According to the given information, we get

\dfrac{3}{12}

\dfrac{1}{4}

We know that, \dfrac{1}{4}. So,

x=\dfrac{2}{4}

x=\dfrac{1}{2}

We need 6 as the denominator.

Multiply the numerator and denominator by 3.

x=\dfrac{1\times 3}{2\times 3}

x=\dfrac{3}{6}

Therefore, the required fraction is \dfrac{3}{6}.

5 0
3 years ago
Find the measures of the supplementary angles if their measures are in ratio of 3:7
dsp73

Answer:

Step-by-step explanation:

Let the two angles be 3x and 7x.

Supplementary angles add up to 180 degrees.

Therefore:

3x + 7x = 180

10x = 180

x = 18

3x = 3 * 18 = 54

7x = 7 * 18 = 126

Answer:

The two angles are 54 degrees and 126 degrees.

5 0
3 years ago
A king snake is 31/50 m long.What is an equivalent length of this king snake in meters?
madreJ [45]
It is 0.62 since 31/50 is 0.62 or 62/100
4 0
4 years ago
What is the equation for a line that passes through the points (2,-2) and (-4,22)?
dangina [55]
Y = -4x + 6
the answer is a
7 0
3 years ago
Read 2 more answers
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