A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then,once the machine is running,a sample of six tubes is taken every three hours and weighed with the following results: 
What is the value of the lower control factor of the range?
Definitions:
Cleansing Solution
A chemical mixture used to clean or disinfect surfaces and objects.
Saline
A solution of salt in water, often used in medical treatments for hydration or as a solvent for medications.
Comatose Patient
A person in a state of deep unconsciousness for a prolonged or indefinite period, typically resulting from illness or injury.
Contact Lenses
Slim optical devices worn directly on the eye to enhance sight or for aesthetic reasons.
Q7: An index number is a percent that
Q10: On 1 January you sold one April
Q11: Operating ROA is calculated as _ while
Q24: Whenever OPEC attempts to influence the price
Q28: The computed chi-square value is positive because
Q38: In acceptance sampling,there is one unique operating
Q50: If the risk-free interest rate is rf
Q56: Random samples of four items are selected
Q64: A researcher is studying the effect of
Q64: What is the most optimistic of all