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what is the weighed mean rounded to the nearest whole number for 200, 150, 200, 150, 200, 150, 190, 360, 360, 150, 190, 190, 190, 200, 150, 360, 400, 400, 150, 200, 400, 360, 150, 400, 360, 400, 400, 200, 150, 150

Answer :

The weighted mean of the data set is 229 when rounded to the nearest whole number.

To calculate the weighted mean of the data set, follow these steps:

Count the frequency of each value:

150 appears 14 times

200 appears 8 times

190 appears 4 times

360 appears 8 times

400 appears 7 times

Calculate the total sum of all values:

Sum = (150 * 14) + (200 * 8) + (190 * 4) + (360 * 8) + (400 * 7)

Sum = 2100 + 1600 + 760 + 2880 + 2800

Sum = 9390

Calculate the total number of values:

Total number of values = 14 + 8 + 4 + 8 + 7

Total = 41

Calculate the weighted mean:

Weighted Mean = Total Sum / Total Number of Values

Weighted Mean = 9390 / 41

Weighted Mean ≈ 229.02

Rounded Weighted Mean = 229

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