A health food company wants to determine the best process for blanching dark green vegetable material so it can be added to other food products without losing vitamin A. They are examining three different blanching processes to determine which is best in terms of vitamin A retention (mg/100mg). The data collected and partial ANOVA results appear below.
a. What are the null and alternative hypotheses (in words, not symbols)?
b. Are the conditions / assumptions for ANOVA met?
c. Calculate the F-statistic.
d. The P-value for this statistic turns out to be < .001. State the conclusion.
e. Suppose the company is concerned about whether different batches of green vegetable material would blanch differently. Suggest how the design for the study could have been improved to take this into account.
Definitions:
Common Stockholders
Individuals or entities that own shares of common stock in a corporation, giving them rights to dividends and voting in shareholder meetings.
General Journal
A ledger in accounting that records all day-to-day financial transactions of a company.
Accounts Receivable
Funds due to a company from its clients for products or services provided on credit.
Customer Payments
The amounts of money received from customers in exchange for goods or services provided by a company.
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