Question

The mean of 20 observations is 55. Each observation is multiplied by 3 The new mean is _. please answer as fast as possible

Answer 1

Answer:

165

Step-by-step explanation:

x/20=55

$x = 1100$

if Each observation is multiplied by 3 Then

$1100 \times 3 \\ = 3300$

then The new mean is

$3300 \div 20$

$=165$

hope it helps

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