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mylen [45]
2 years ago
13

What is formula for Standard Deviation (σ)

Mathematics
2 answers:
Phoenix [80]2 years ago
7 0

Answer:

sd =  \sqrt{ \frac{ fx {}^{2} }{f} - ( \frac{fx}{f}) {}^{2}   }

Scrat [10]2 years ago
7 0

Answer:

What is formula for Standard Deviation (σ)

In Individual series

☙\huge \mathfrak{\pink{ \fbox{ \green{S.D}}}}

Step-by-step explanation:

<h2> formula of Standard Deviation </h2>
<h3>[ σ= nx²−( nx ²) / n ]</h3>

hope it's helpful thanks

<h3> </h3>

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your phone says that 14.5% is equivalent to the decimal 14.5 explain why your friend is incorrect by comparing the fraction -14.
Lelechka [254]
A percent is a proportion of something that can come from a variety of different numbers depending on what you are measuring. 14.5% is not the same as 14.5 because the 14.5% isn’t necessarily 14.5 of a certain amount. For example, $14.50 of the $100 you have could be from your grandparents; making 14.5% of your money from your grandparents but a deposit of $145 into a bank account that already has $855 would mean that 14.5% of the money in that bank account was from that deposit but $145 does not equal $14.50. They just have the same proportion just different on different scales.

Hope this is what you were looking for.
4 0
3 years ago
What is the slops of the line that passes through the pair of points? (-5.5, 6.1), (-2.5, 3.1)
Svetach [21]

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most graphs don't go passed 10 so it's undefined

Step-by-step explanation:


8 0
3 years ago
PLS HELPP WHAT IS THE ANSWER???
Elena-2011 [213]

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-220

Step-by-step explanation:

6 0
2 years ago
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The sum of 5 times a number and 3 is 7.
Nesterboy [21]

Answer:

5y+3=7

Step-by-step explanation:

6 0
3 years ago
Luis, que recibe $200 mensuales desde hace un año, el mes pasado le dijo a su papá que le aumentará su mesada; el monto deseado
AlekseyPX

Answer:

Luis quiere recibir 200$ de más por mes.

Step-by-step explanation:

Para podr calcular esto, necesitamos escribir la desigualdad dada, y para ello debemos transformar el lenguaje a lenguaje algebraico.

tres medios de la cantidad deseada:  3/2 x

mas 4100 (en este caso debería ser $100, y fue un error de tipeo): + 100

son mayor o igual a $700:  ≥ 700

Inecuación: 3/2 x + 100 ≥ 700

Ahora solo nos queda resolver el valor de x de esta inecuación. El resultado nos dirá cuanto quiere recibir al mes, por lo que la resta de esta cantidad con la cantidad que recibía antes nos dirá cuanto de más desea recibir:

3/2 x + 100 ≥ 700

3/2 x ≥ 700 - 100

3/2 x ≥ 600

3x ≥ 600 * 2

x ≥ 1200 / 3

x ≥ 400

Por tanto, Luis desea recibir al mes $400, lo que se traduce en que quiere recibir de más

400 - 200 = 200

Luis desea recibir de mas $200.

Espero te ayude

8 0
2 years ago
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