A Start-Up Cell Phone Applications Company Is Interested in Determining

question 92

Multiple Choice

A start-up cell phone applications company is interested in determining whether house-hold incomes are different for subscribers to three different service providers.A random sample of 25 subscribers to each of the three service providers was taken,and the annual household income for each subscriber was recorded.The partially completed ANOVA table for the analysis is shown here: Complete the ANOVA table by filling in the missing sums of squares,the degrees of freedom for each source,the mean square,and the calculated F-test statistic.

• A)Between Groups df = 2,Within Groups df = 74,SSW = 6,322,592,933,MSB = 1,474,542,579, MSW = 87,813,791,F = 16.79
• B)Between Groups df = 2,Within Groups df = 72,SSW = 6,322,592,933,MSB = 1,474,542,579, MSW = 87,813,791,F = 16.79.
• C)Between Groups df = 2,Within Groups df = 72,SSW = 6,322,592,933,MSB = 1,474,542,579, MSW = 87,813,791,F = 9.73
• D)Between Groups df = 2,Within Groups df = 72,SSW = 6,322,592,933,MSB = 87,813,791,

---

Definitions:

Crowds

Large groups of people gathered together, often for a specific purpose or under similar interests or circumstances.

Informed Consent

A process ensuring that participants are fully aware of the nature, risks, and benefits of a study or treatment before agreeing to participate.

Deception

The act of misleading or concealing the truth, often to manipulate someone's perception or to achieve a hidden objective.

Human Research Ethics

The moral principles guiding researchers to conduct studies in ways that respect the dignity, rights, and welfare of participants.