Multiple Choice
A researcher records the following times (in seconds) that it took a group of students to complete an exam: 18±2 minutes (M±SD) .How long did it take 80% of students to complete the exam?
A) Less than 16 minutes.
B) 16.32 minutes.
C) Less than 18 minutes
D) 19.68 minutes.
Correct Answer:
Verified
Correct Answer:
Verified
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