A Group of Statistics Students Decided to Conduct a Survey

question 16

Multiple Choice

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. They sampled 240 students and found a mean of 22.3 hours per week. Assuming a population standard deviation of six hours,what is the 99% level of confidence?

• A)[21.80,22.80]
• B)[16.3,28.3]
• C)[21.30,23.30]
• D)[20.22,22.0]

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Definitions:

Student

An individual engaged in learning or attending educational institutions, typically focused on acquiring knowledge and skills.

Nonlinear

Describing a process or relationship not directly proportional or not following a straight line in its rate of change.

Negative

In mathematics and statistics, it refers to a value less than zero.

Strong

Having high physical power, durability, or intensity; often used to describe materials or individuals.