Examlex
A test of spelling ability is given to a random sample of 10 students before and after they complete 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 is 16.061.Calculate the test statistic to test the claim that scores were higher after the course.
Back-To-The-Basics
An educational or philosophical approach that emphasizes traditional teaching methods and fundamental concepts.
Accountability
The responsibility and obligation to account for one's actions and accept the consequences of them.
Demanded
Expressed or signaled an urgent need or desire for something to be provided or performed.
1990s
The decade spanning from January 1, 1990, to December 31, 1999, marked by significant global events and cultural shifts.
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