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3 years ago

Median of 57,75,40,34,45,60,45,44\

Mathematics

1 answer:

Alchen [17]3 years ago

8 0

Answer:

the median is 45

Step-by-step explanation:

The computation of the median is as follows:

First arrange in a sequential order

34, 50, 44, 45, 45, 60, 57, 75

Now as we can see that there are 8 numbers

= n ÷ 2

= 8 ÷ 2

= 4 number

= 45

Hence, the median is 45

The same is relevant and considered too

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If 2x^2+2x=12, what is x?

Rainbow [258]

Answer:

x= 2

x= -3

Step-by-step explanation:

<u>Solving as normal quadratic equation:</u>

2x^2+2x=12
x^2 +x = 6
x^2 + x - 6= 0
x = (-1 ± √(1+4*1*6)/2
x = ( - 1 ± √25)/2
x = (-1 ± 5)/2
x= 2
x= -3

<u>Roots are</u> 2 and -3

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3 years ago

Read 2 more answers

Kyle and Joan are estimating the total weight three boxes that each weigh 14.62

Ber [7]

Step-by-step explanation:

I don't exactly know what you are asking, but here is what I got and zi think you're asking

14.62*3= 43.86

43.86 rounds up to 44 and there is your estimation.

Together, the three boxes weigh about 44

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8 0

3 years ago

A data set consists of the data given below plus one more data point. When the additional point is included in the data set the

belka [17]

Answer:

Value of additional data point is 31.

Step-by-step explanation:

We are given the following data set:

34, 18, 18, 40, 11, 22, 30, 25, 19, 21, 45 34, 18, 18, 40, 11, 22, 30, 25, 19, 21, 45

Formula:

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{487}{20} = 24.35$

The old mean is 24.35

A new data was added in the data. The new mean is 24.667

We have to find the value of additional point.

Let x be the added point in the data set.

Thus, we can write:

$24.667 = \displaystyle\frac{487+x}{21}\\\\x = 21(24.667)-487 = 31.007 \approx 31$

Thus, value of additional data point is 31

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4 years ago

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