Suppose We Have a Distribution of Student Exam Scores on an Easy

question 3

Multiple Choice

Suppose we have a distribution of student exam scores on an easy test. What measure of spread would be best to describe this data?

• A)The spread should be described with the standard deviation because the distribution will be symmetric.
• B)The spread should be described with the IQR because the distribution will be symmetric.
• C)The spread should be described with the standard deviation because the distribution will be skewed to the left.
• D)The spread should be described with the IQR because the distribution will be skewed to the left.

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Definitions:

Sentinel-Controlled While Loop

A loop that continues execution until a special value, known as a sentinel value, is encountered which terminates the loop.

Statement Above

A reference to a piece of code or comment mentioned in the preceding lines in a document or code.

Continue Statement

A control statement in programming that causes the loop to immediately jump to the next iteration of the loop.

Entry Condition

An entry condition is a precondition that must be true before entering a loop or function to ensure proper execution.