Answer:

B

Step-by-step explanation:

Sana po tama patama nalsng po kung mali ty po

Answer:

B.



Step-by-step explanation:



Number of samples =

Input Data :

Data set = 5, 10, 15

Total number of elements = 3

Objective :

Find what is harmonic mean value for given input data?

Formula :

Harmonic Mean Formula

Solution :

Harmonic mean =

3

1/5 + 1/ 10 + 1/ 15

=

3

0.2 + 0.1 + 0.0667

=

3

0.3667

Harmonic mean = 8.1818