In: Statistics and Probability
2.27 |
3.05 |
2.57 |
3.36 |
3.10 |
3.03 |
3.19 |
3.08 |
2.60 |
2.92 |
2.77 |
3.55 |
2.63 |
2.79 |
2.70 |
2.92 |
( a )
For the given data
sample mean = 2.908
( b )
sample standard deviation = 0.3233
( c )
degrees of freedom = 15
( d )
Assuming alpha = 0.05
Conclusion :
It is concluded that the null hypothesis Ho is not rejected. Therefore, there is not enough evidence to claim that the mean GPA at a certain university is 2.80. at the 0.05 significance level.