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soldier1979 [14.2K]
3 years ago
14

Do i calculate standard deviation for sample or population

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

A sample standard deviation is a statistic. This means that it is calculated from only some of the individuals in a population. Since the sample standard deviation depends upon the sample, it has greater variability. Thus the standard deviation of the sample is greater than that of the population

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Doung ate 6/8 cup of trail mix. Abby ate 2/3 as much trail mix as Dung. What fraction of a cup of trail mix did Abby eat?
MAXImum [283]

Answer:

1/2

Step-by-step explanation:

Since she ate 2/3 of what he ate, you simply multiply the two fractions together, to get 12/24, which is simplified to 1/2. Ans

5 0
3 years ago
Two thirds of a number is 3 1/2 more than three eights of a number. find the number
julsineya [31]
2/3x = 3.5 + 3/8x
8 • (2/3x) = 3.5 + 3 • (3/8)

16/24 X = 3.5 + 9/24 X
16/24x - 9/24x = 3.5
7/24 X = 3.5
7x/24 = 3.5
24 • (7x/24) = 3.5 • 24
7x = 84
7x/7 = 84/7
X = 12.

The number is 12.
6 0
3 years ago
How do you solve this problem 4 5/10 + 6 9/10=
nirvana33 [79]
  4 5/10
+6 9/10
 10 14/10
simplify it to 11 1/10
ANSWER=11 1/10

8 0
3 years ago
Read 2 more answers
Write a formula for function f in terms of function g.
emmasim [6.3K]
\bf \qquad \qquad \qquad \qquad \textit{function transformations}
\\ \quad \\\\

\begin{array}{rllll} 
% left side templates
f(x)=&{{  A}}({{  B}}x+{{  C}})+{{  D}}
\\ \quad \\
y=&{{  A}}({{  B}}x+{{  C}})+{{  D}}
\\ \quad \\
f(x)=&{{  A}}\sqrt{{{  B}}x+{{  C}}}+{{  D}}
\\ \quad \\
f(x)=&{{  A}}(\mathbb{R})^{{{  B}}x+{{  C}}}+{{  D}}
\\ \quad \\
f(x)=&{{  A}} sin\left({{ B }}x+{{  C}}  \right)+{{  D}}
\end{array}

\bf \begin{array}{llll}
% right side info
\bullet \textit{ stretches or shrinks horizontally by  } {{  A}}\cdot {{  B}}\\\\
\bullet \textit{ flips it upside-down if }{{  A}}\textit{ is negative}
\\\\
\bullet \textit{ horizontal shift by }\frac{{{  C}}}{{{  B}}}\\
\qquad  if\ \frac{{{  C}}}{{{  B}}}\textit{ is negative, to the right}\\\\
\qquad  if\ \frac{{{  C}}}{{{  B}}}\textit{ is positive, to the left}\\\\
\end{array}

\bf \begin{array}{llll}


\bullet \textit{ vertical shift by }{{  D}}\\
\qquad if\ {{  D}}\textit{ is negative, downwards}\\\\
\qquad if\ {{  D}}\textit{ is positive, upwards}\\\\
\bullet \textit{ period of }\frac{2\pi }{{{  B}}}
\end{array}


so hmm if you notice, your f(x) there, looks just like g(x), but is "shifted horizontally" by about 9 units to the right

that simply means, based on that template above, that C/B = -9, and we can simply make B = 1  and C = -9, and we get C/B = -9/1 which is -9

thus   \bf \begin{array}{llcll}
f(x)=g(&1x&-9)\\
&\uparrow &\uparrow \\
&B&C
\end{array}\iff f(x)=g(x-9)
7 0
3 years ago
A telephone company charges a fixed monthly rate plus a rate per minute of usage. The company charges $135 for 100 minutes of us
Reptile [31]
The correct answer to this question is letter "B. <span>Draw a graph which joins the points (100, 135) and (500, 375) and has a slope = 0.6." The one on the x axis should be the number of minutes and on the other hand, the one on the y axis should be the amount being charged.</span>
4 0
3 years ago
Read 2 more answers
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