A Study Was Designed to Investigate the Effects of Two

question 59

Multiple Choice

A study was designed to investigate the effects of two variables - (1) a student's level of mathematical anxiety and (2) teaching method - on a student's achievement in a mathematics course. Students who had a low level of mathematical anxiety were taught using the traditional expository method. These students obtained a mean score of 370 with a standard deviation of 20 on a standardized test. Assuming no information concerning the shape of the distribution is known, what percentage of the students scored between 330 and 410?

• A) at least 75%
• B) approximately 95%
• C) at least 89%
• D) approximately 68%

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Definitions:

Managers

Individuals in an organization responsible for directing and overseeing the work of others to achieve the organization's goals.

Owners

Owners refer to individuals or entities that legally possess an asset, property, or business, holding rights to use, manage, and earn benefits from it.

Independent Goals

Objectives that can be pursued and achieved independently without necessarily affecting the attainment of other goals.

Price Taker

Firm that has no influence over market price and thus takes the price as given.