Statistics Practice Test 1

Question : 24 of 37

Marks: +1, -0

The following observations have been arranged in the ascending order:
29, 32, 48, 52, a, a + 3, 71, 75, 80, 92
Solve for “a” if the median of the following data is given 61.5?

54
60
62
56
None of these

Validate

Solution:

Total number of terms = 10
Median

=({10+1}/2)\th \term

=5.5\th \term

So, Median

={5\th \term+6\th \term}/2

61.5={a+a+3}/2

⇒a=60

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