Two Hundred Students Are Enrolled in an Economics Class

question 95

Essay

Two hundred students are enrolled in an Economics class. After the first examination, a random sample of 6 papers was selected. The grades were 65, 75, 89, 71, 70 and 80.
a.Determine the standard error of the mean.
b.What assumption must be made before we can determine an interval for the mean grade of all the students in the class? Explain why.
c.Assume the assumption of Part b is met. Provide a 95% confidence interval for the mean grade of all the students in the class.

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State Nurse Practice Act

Legislation that defines the scope of nursing practice within a particular state, aiming to protect public health and safety.

Statute

A written law passed by a legislative body.

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NCLEX

The National Council Licensure Examination, a standardized exam that each state board of nursing uses to determine whether a candidate is prepared for entry-level nursing practice.