I the Sum of the Expected Frequencies and the Sum

question 4

Multiple Choice

i. The sum of the expected frequencies and the sum of the observed frequencies must be equal.
ii. If the computed value of chi-square is less than the critical value, reject the null hypothesis at a
Predetermined level of significance.
iii. If there are only two cells in a goodness-of-fit test, we should expect 5 or more frequencies.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Revenue

The total amount of money received by a company for goods sold or services provided during a certain time period.

Break-Even Point

The break-even point is the point at which total costs and total revenues are equal, meaning there is no net loss or gain.

Variable Costs

Costs that vary depending on the level of production or sales.

Fixed Costs

Expenses that remain constant regardless of production or sales volume, including rent, salaries, and insurance costs.