A Student Asked a Statistics Professor If Grades Were Marked

question 99

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.
What is your decision if α = 0.05?

• A) The letter grades are evenly distributed.
• B) The letter grades are not evenly distributed.
• C) The letter grades are normally distributed.
• D) The letter grades are not normally distributed.
• E) The letter grades are unfairly distributed.

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Definitions:

FOB Shipping Point

A term used in shipping agreements indicating that the buyer is responsible for paying shipping costs and for the goods at the point of departure from the seller's shipping dock.

Inventory Turnover

An indicator of the number of times a business's inventory turns over and is replenished during a certain period, demonstrating how efficiently inventory is managed.

Specific Identification Method

An inventory valuation method that tracks the actual cost of each specific item of inventory to determine cost of goods sold and ending inventory.

Average-Cost Method

An inventory costing method that calculates the cost of goods sold and ending inventory value based on the weighted-average cost of all items.