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CUET
-- Mathematics - Section B2
Index Numbers and Time Based Data
Consider the following hypothesis test :
$H_0: \mu ≤ 30$
$H_a : \mu > 30 $
A sample of 49 provided a sample mean of 31.5. The population standard deviation is 3. The value of the test statistic is :
3.5
1.5
1.25
-3.5
