A Test Involving Three Brands of Cell Phone Was Conducted

question 31

Multiple Choice

A test involving three brands of cell phone was conducted to compare the brands with respect to the average number of battery recharges before the battery no longer functioned properly.Six phones of each brand were tested, with the following results: Number of recharges before battery no longer functions
At a 5% significance level, test the hypothesis that the average maximum number of possible recharges prior to failure is the same for all three brands.The ANOVA table for the test is shown below.Complete the table and report your conclusion.

• A)Since F_stat is greater than 3.682, we cannot reject the "equal population means" null hypothesis.
• B)Since the p-value is greater than .05, we can reject the "equal population means" null hypothesis.
• C)Since F_stat is greater than F_c, we can reject the "equal population means" null hypothesis.
• D)Since the p-value is less than .05, we cannot reject the "equal population means" null hypothesis.

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Definitions:

Ratio

A quantitative relationship between two numbers, showing how many times the first number contains the second or vice versa.

Direct Method

An accounting method used in cash flow statements that lists major cash inflows and outflows directly, without adjustments.

Cash Inflow

refers to the movement of money into a business, often from operations, financing, or investing activities, contributing to the company's cash balance.

Cash Outflow

The movement of money out of a business, project, or investment, usually in the form of expenses, purchases, or cash distributions.