Determining the t Obtained Score

Question:

Previous research studies showed that the mean learning performance of college students is 64 out of 100 when they are presented with static illustrations along with textual information. A researcher is interested in whether using animations instead of static illustrations would increase learning performance. She collects data from 31 college students. The dataset can be found in the Excel file.

Based on the information above, which of the following is the t obtained score?

• A. 1.1667
• B. 6.4958
• C. 16.4670
• D. 12.7889
• E. 7.5437

Answer

C. 16.4670