Use the Empirical Rule to Describe Data That Are Bell $68 \%$

question 106

Multiple Choice

Use the Empirical Rule to Describe Data That Are Bell Shaped
-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 490 with a standard deviation of 20 on a standardized test. Assuming a bell-shaped distribution, where would approximately $68 \%$ of the students score?

• A) between 470 and 510
• B) between 450 and 530
• C) below 450 or above 530
• D) below 470 or above 510

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Definitions:

Dying Individual

This term refers to a person who is in the process of approaching death, often considered in contexts of medical care, ethical discussions, or psychological support.

Integrity Vs. Despair

The final stage of Erik Erikson's theory of psychosocial development, where older adults reflect on their life and either attain a sense of fulfillment or experience despair over regrets.

Erikson's Socioemotional Development

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