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Levart [38]
1 year ago
8

FIND THE MEDIAN OF THE DATA SET3,35,23,37,45,49,27,48 A.35 B.34 C.30.2 D.38

Mathematics
2 answers:
uysha [10]1 year ago
5 0

Answer:

  • A. 35

Step-by-step explanation:

<h3>Given</h3>

  • Data set 3, 35, 23, 37, 45, 49, 27, 48

<h3>Solution</h3>

First, put the data in the ascending order:

  • 3, 35, 23, 37, 45, 49, 27, 48 → 3, 23, 27, 35, 37, 45, 48, 49

Number of elements is 8, so the median is the average of the middle two elements:

  • (35 + 37) / 2 = 36

Now, this is <u>not</u> one of the answer choices. It means given set is missing a number.

If the missing number is less than 35, it makes 35 the middle number, so it becomes the median.

If the missing number is greater than 37, it makes 37 the middle number, so it becomes the median.

Since we have 35 as a choice and not 37, the right choice is A.

mojhsa [17]1 year ago
4 0

Answer:

A. 35

Step-by-step explanation:

The median of a data set is the middle value when the data values are placed in order of size.

<u>Given data set</u>:

  • {3, 35, 23, 37, 45, 5, 49, 27, 48}

Place the data in <u>order of size</u>:

  • {3, 5, 23, 27, 35, 37, 45, 48, 49}

To find the median, divide the total number of data values (n) by 2.

  • If n/2 is a whole number, the median is halfway between the values in this position and the position above.
  • If n/2 is not a whole number, round it up to find the position of the median.

As there are 9 data values, the median value is:

\implies \dfrac{9}{2}=4.5 \implies \sf 5th\;value

Therefore, the median of the given data set is 35.

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To assess the precision of a laboratory scale, we measure a block known to have a mass of 1 gram. we measure the block n times a
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Benjamín made 3 times more than Alberto and Carlota 2 times more than Benjamín, so how much is it, help me
vichka [17]

Step-by-step explanation:

you are "hiding" some more information (like how much they made together).

without that we cannot calculate the actual values.

all I can do is set up the equations expressing the given relations between the parts of the total :

a = amount Alberto made

b = amount Benjamin made

c = amount Carlota made

b = 3×a

c = 2×b = 2× 3×a = 6×a

that's it.

your see ? now we need something that "ties" all 3 together, an equation of all 3 variables, where we can use the first 2 equations (by substitution) and then solve for the remaining third variable.

and that is missing.

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