A Test of Spelling Ability Is Given to a Random

question 41

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.Calculate the test statistic to test the claim.

• A)2.21
• B)0.697
• C)2.09
• D)6.97

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Definitions:

Timber

Wood that has been processed into beams and planks, a stage in the process of wood production.

Minerals

Natural inorganic substances occurring in the earth that have a definite chemical composition and physical properties.

Article 2A

pertains to leases of personal property under the Uniform Commercial Code, governing transactions such as rent-to-own agreements.

Personal Property

Movable assets owned by individuals or entities, in contrast to real property like land or buildings.