Math, asked by bijayjames291, 4 months ago

The mean of 8 variates is 10.5.If seven of them are 3, 15, 7, 19, 2, 17, &8, then find the 8th variate.

Answers

Answered by nikhilvidyasoudha

2

Answer:

Step-by-step explanation:

Seven out of eight variates are: 3, 15, 7, 19, 2, 17 and 8 Mean of 8 variates = 10.5 So, the total of 8 variates = 10.5 x 8 = 84 Now, Sum of seven variates = (3 + 15 + 7 + 19 + 2 + 17 + 8) = 71 Hence, The 8th variate = 84 – 71 = 13.

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