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