Question

f the mean of observation 20, 42, 35, 45 and x is 37, then x=

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

x=43

Step-by-step explanation:

mean of observation =sum of terms /total no of terms

mean =20+42+35+45+x/5=37

=142+x/5=37

=142+x=37×5

=142+x=185

x=185-142

x=43

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