A Student Asked a Statistics Professor If Grades Were Marked

question 46

Multiple Choice

A student asked a statistics professor if grades were marked "on the curve." The professor decided to give the student a project to determine if last year's statistics grades were normally distributed. The professor told the student that last year's mean mark was 70 with a standard deviation of 10 and to use the following results.
Using the data from this Megastat printout, you determine:

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Definitions:

Retention Rate

The percentage of individuals or items that remain in a group over a specified period, often used to measure customer loyalty or the effectiveness of educational programs.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.

P-value

A statistical measure that indicates the probability of the observed data given a specific hypothesis is true.

New Programs

Initiatives or set of instructions designed to perform specific tasks or to address new areas of need or interest.