Answers
Answer )
Null hypothesis Ho : u = 14
Alternate hypothesis Ha : u > 14
Test statistics = (sample mean - claimed mean)/(s.d/√n)
t = (16.3 - 14)/(5.9/√45) = 2.615
As the population s.d is unknown and we are using sample s.d
We will use t distribution to estimate the p-value
Degrees of freedom is = n-1 = 44
For 44 df and 2.615 test statistics
P-Value from t distribution is = 0.006087
= 0.0061
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