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MrRissso [65]
3 years ago
8

Based on the following set of data, which of the statements shown is true?

Mathematics
2 answers:
Stolb23 [73]3 years ago
8 0
The mean is greater than the median
enyata [817]3 years ago
6 0

Answer: mean > median

Step-by-step explanation:

The given data : 11, 11, 12, 13

The mean of the given data set is given by :-

\text{Mean}=\frac{\text{Sum of all elements}}{\text{number of all elements}}\\\\\Rightarrow\ \text{Mean}=\frac{11+11+12+13}{4}\\\\\Rightarrow\ \text{Mean}=\frac{47}{4}\\\\\Rightarrow\ \text{Mean}=11.75

To find median, first arrange them in ascending order  and since the number of elements is a even number(n=4), therefore,

Median=\frac{\frac{n}{2}\ term+(\frac{n}{2}+1)\ term}{2}

\frac{n}{2}\ term=\frac{4}{2}\ term=2nd\ term=11

\frac{n}{2}+1\ term=\frac{4}{2}+1\ term=3rd\ term=12

Median=\frac{11+12}{2}=\frac{23}{2}=11.5

Since, 11.75>11.5

Therefore, mean > median

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