mmm4400444
mmm4400444 mmm4400444
  • 01-06-2019
  • Mathematics
contestada

What is the median of the data set:

4, 5, 9, 2, 7, 4, 3, 11
a 4
b 4.5
c 5
d 9

Respuesta :

vtapert16
vtapert16 vtapert16
  • 01-06-2019

Answer:

4.5

Step-by-step explanation:

because 2 3 4 4 5 7 9 11

4.5 is the middle number, between 4 and 5 since you find what the middle number is

Answer Link
r3t40
r3t40 r3t40
  • 01-06-2019

Here is some fun:

[tex]mean=\frac{\Sigma_{0}^{n}a_r}{n}=\frac{a_0+a_1+\dots+a_{\infty}}{\infty}[/tex]

[tex]

mean=\frac{4+5+9+2+7+4+3+11}{8}=\frac{45}{8}=\boxed{5.625}

[/tex]

And now the real work:

[tex]median=\frac{2+7}{2}=\boxed{4.5}[/tex]

The answer is B. 4,5

Hope this helps.

r3t40

Answer Link

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