Mean, median and mode grouped data

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Mean, median and mode grouped data

The company that you work for produces a range of power supplies which are supplied in large quantities to businesses that manufacture computers and IT equipment. More range of power supplies is being added and the company has developed a 50W unit. From the first batch of 1000 units a 10% sample has been taken and the power output of each unit tested shown in Table 2(a). Using this data calculate the mean, median and mode, explaining the significance of each. PS50 50W Nominal rating

Power output Number
49.60 – 49.69 1
49.70 – 49.79 1
49.80 – 49.89 4
49.90 – 49.99 7
50.00 – 50.09 19
50.10 – 50.19 31
50.20 – 50.29 21
50.30 – 50.39 8
50.40 – 50.49 5
50.50–50.59 2
50.60–50.69 1

Solution of the example in the Word.

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