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Inessa05 [86]
3 years ago
7

The weekly salaries of a sample of employees at the local bank are given in the table below. Employee Weekly Salary Anja $245 Ra

z $300 Natalie $325 Mic $465 Paul $100 What is the variance for the data? Variance: mc006-1.jpg

Mathematics
2 answers:
lutik1710 [3]3 years ago
7 0

Answer:

the other guy got the answer right...he did a different question from edg enuity

Step-by-step explanation:

Setler [38]3 years ago
5 0
The mean of the data is given

\frac{245+300+325+465+100}{5}=287

The variance of the data is given
( \frac{245^{2}+300^{2}+325^{2}+465^{2}+100^{2}} {5})-(287^{2})96375- 287^{2} =14006
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lesya692 [45]

Answer:

C

Step-by-step explanation:

The table shows a linear function.

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (1, 3) and (x₂, y₂ ) = (2, 7) ← 2 ordered pairs from the table

m = \frac{7-3}{2-1} = 4, thus

y = 4x + c ← is the partial equation

To find c substitute any ordered pair into the partial equation

Using (1, 3), then

3 = 4 + c ⇒ c = 3 - 4 = - 1

y = 4x - 1 → C

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Answer:

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Step-by-step explanation:

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