Answer :

Eduard22sly

1. The average of the set of data is 88.325

2. The average absolute deviation for the set of data is 0.575

Data obtained from the question

The following data were obtained from the question:

  • Data: 87.6, 89.0, 88.8, 87.9
  • Average =?
  • Average absolute deviation =?

1. How to determine the average of the data

  • Data: 87.6, 89.0, 88.8, 87.9
  • Summation of data = 87.6 + 89.0 + 88.8 + 87.9 = 353.3
  • Number of data = 4
  • Average =?

The average of the given set of data can be obtained as follow:

Average = Summation of data / number of data

Average = 353.3 / 4

Average = 88.325

2. How to determine the average absolute deviation

  • Data: 87.6, 89.0, 88.8, 87.9
  • Number of data = 4
  • Average = 88.325
  • Absolute Deviation = (87.6 - 88.325) + (89.0 - 88.325) + (88.8 - 88.325) + (87.9 - 88.325) = 2.3
  • Average absolute deviation =?

The average absolute deviation for the data can be obtained as follow:

Average absolute deviation = absolute deviation / number of data

Average absolute deviation = 2.3 / 4

Average absolute deviation = 0.575

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