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

question 100

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, MSW = 87,813,791, F = 16.79

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Definitions:

Insomnia

is a common sleep disorder characterized by difficulty falling or staying asleep, leading to impairments in daily functioning and quality of life.

Apnea

A temporary cessation of breathing, especially during sleep.

Sleeplessness

The inability to fall asleep or stay asleep, which can lead to significant distress or impairment in daily functioning.

Breathing Difficulties

Issues or discomfort in breathing, which can be symptomatic of various health conditions ranging from mild to severe.