The Scores on a National Achievement Test Were Normally Distributed

question 96

Short Answer

The scores on a national achievement test were normally distributed, with a mean of 550 and a standard deviation of 112.
If you achieved a score of 690, how far, in standard deviations, did your score depart from the mean?
______________
What percentage of those who took the examination scored higher than you?
______________

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Definitions:

Process Operations

A method of production that involves continuous processing of materials to produce goods or provide services.

Work In Process Inventory

The account on the balance sheet representing the cost of the incomplete goods that are still in the process of production.

Equivalent Units

A concept in cost accounting used to allocate costs to partially completed goods, converting them into the amount of finished goods units they represent.

Equivalent Units

A concept in cost accounting used to apportion costs to partially completed goods, expressed in terms of fully completed units.