For each question, 1) identify the claim 2) verify if claim is a valid hypothesis (i-e both falsifiable and verifiable) 3) write up statements of no consequence and challenge for claims that are also valid hypothesis.
Does the engineering change significantly lower the true proportion of defects?
1.
CLAIM: The engineering change significantly lowers the true proportion of defects
2.
Valid claim
3.
No consequence: P = x
Challenge: P < x
Does the corporate reorganization significantly improve employee satisfaction?
1.
CLAIM: The corporate reorganization significantly improves employee satisfaction
2.
Valid claim 3.
No consequence (Ho): µ = x
Challenge (Ha): µ > x
Does a new CEO for Fortune 500 companies significantly increase the corporate stock price?
1.
CLAIM: A new CEO for Fortune 500 companies significantly increases corporate stock price
2.
Valid claim 3.
No consequence (Ho): µ = x
Challenge (Ha): µ > x
Does a new supplier have a significantly lower cycle time when responding to a purchase order?
1.
CLAIM: A new supplier has a significantly lower cycle time when responding to a purchase order 2.
Valid claim 3.
No consequence (Ho): µ = x
Challenge (Ha): µ < x
Local pub: does a new advertising campaign significantly increase weekly sales?
