Claim: The average age of online students is 32 years old. Can you prove it is not?
Normal Distribution
1
Ho:
Note: Calculation cells should list the numbers and operations used to get your answers. Do not put the generic formula and show all calculation steps.
T-Distribution
2
Ha:
Sample mean:
30.67
Sample St. Dev:
10.84
2
Distribution:
Reject Ho
2
Test Statistic:
*2 decimals
Calculation:
Fail to Reject Ho
2
p-value:
*4 decimals
1
Decision:
2
Interpretation: (context)
Claim: The proportion of males in online classes is 35%. Can you prove it is not?
