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svlad2 [7]
3 years ago
6

The average commute times for employees of a large company is 23 minutes the commute time of 12 employees are 25,33,26,29,17,29,

42,19,15,52,11,and 14. Enter the sample mean and the population mean
Mathematics
2 answers:
k0ka [10]3 years ago
8 0

Answer:

26

Step-by-step explanation:

Mean (Average) 26

Median 25.5

Range 41

Mode 29, appeared 2 times

Geometric Mean 23.569888915944

Largest 52

Smallest 11

Sum 312

Count 12

nata0808 [166]3 years ago
8 0

Answer: Population Mean : \mu=23\text{ minutes}

Sample mean : \overline{x}=26\text{ minutes}

Step-by-step explanation:

The population mean the average of the population on a given characteristics.

We have already given population mean as \mu=23\text{ minutes}

Now, the sample of commute time  12 employees are

25,33,26,29,17,29,42,19,15,52,11,14

\text{Sample mean =}\dfrac{\text{Sum of observations}}{\text{Sample size}}\\\\=\dfrac{312}{12}=26\\\\\Rightarrow\overline{x}=26\text{ minutes}

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3 years ago
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Aleks [24]

Answer:

(2, 4)

Step-by-step explanation:

When plotting points you need to do the x first then the y,

To help you remember the order use the saying OVER AND UP.

For the x-axis is the line going from SIDE to SIDE,

For the y-axis is the line going UP to DOWN,

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A:
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3 years ago
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77julia77 [94]
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5 0
3 years ago
Pls help I’m timed thanks
alexgriva [62]

Answer:

Picture 1: b

Picture 2: d

Picture 3: c

Step-by-step explanation:

Hi there,

For Picture 1, to solve for an inverse function, just simply solve for x. Since the closest you can get is arccos(πx)=2y+6, you just

solve for cosine as a function: cos(2y+6)=πx and solving for x:

x= (1/π)cos(2y+6)    but since variable choice is arbitrary, you can now redefine y and x:

y= (1/π)cos(2x+6)

For Picture 2, tanx is equivalent to sinx/cosx and cscx is just the reciprocal of sinx. So, it becomes:

\frac{sinx}{cosx} *\frac{1}{sinx} =\frac{1}{cosx} =cscx

We have already been giving the cosine value of 2, and its inverse is thus 1/2.  

For Picture 3, I would recommend revisiting polar coordinates.

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thanks,

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