The Average Number of Average Number of Hours Per Day

question 101

Multiple Choice

The average number of average number of hours per day a university student spends on homework is 5 hours with a standard deviation of 1.25 hours.How many standard deviations from the mean is 2 hours spent on homework?

• A)2.40 standard deviations below the mean
• B)1.20 standard deviations below the mean
• C)2.50 standard deviations above the mean
• D)1.20 standard deviations above the mean
• E)2.40 standard deviations above the mean

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Definitions:

Allantois

An extra-embryonic membrane in birds, reptiles, and mammals that is involved in gas exchange and waste removal.

Nitrogenous Wastes

Nitrogenous wastes are metabolic waste compounds that contain nitrogen, such as urea and ammonia, which are produced by the breakdown of proteins and nucleic acids.

Isolecithal Eggs

Eggs with a small amount of evenly distributed yolk, typically found in mammals and other animals with minimal or no yolk segregation.

Holoblastic Cleavage

A type of cell division in embryonic development where the entire egg is evenly divided into smaller cells, common in mammals and amphibians.