As a project manager, your four teams report to you on their progress. The first team has 56 collective hours of work remaining on their project. The second team has 78 collective hours remaining on their project. The third and fourth teams have 27 and 65 collective hours remaining on their projects, respectively. On average, how many collective hours do your teams have remaining on their projects?
A. 55.7
B. 56.5
C. 62.3
D. 67.8
E. 71.2

Respuesta :

The mean number of hours that each team has remaining is given by:

B. 56.5.

What is the mean?

The mean of a data-set is given by the sum of all observations in the data-set divided by the number of observations.

In this problem, the observations are given as follows:

56, 78, 27, 65.

Hence the mean is given by:

(56 + 78 + 27 + 65)/4 = 56.5.

Which means that option B is correct.

More can be learned about the mean of a data-set at https://brainly.com/question/24628525

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