A Test of Spelling Ability Is Given to a Random $\alpha$

question 123

Multiple Choice

A test of spelling ability is given to a random sample of 10 students before and after they completed a spelling course.The mean score before the course was 119.60 and after the course the mean score was 130.80.The standard deviation of the difference was 16.061.Based on this information,the critical value to assess the t-test statistic for a two-sided test at $\alpha$
=) 05 is _____.

• A)1.121
• B)2.262
• C)1.613
• D)2.014
• E)2.215

---

Definitions:

Internal

Pertaining to or situated within something; often refers to phenomena or processes occurring within an organism or object.

External

Originating from outside, not confined within an entity or individual.

Achievement Motivation

The drive to excel, achieve in relation to a set of standards, or strive to succeed.

TAT

Thematic Apperception Test, a projective psychological test used to reveal a person's social drives or needs by their interpretation of ambiguous images.