SAT Math· difficulty 4/5
A histogram has bins (using midpoints): 5 (8 students), 15 (12 students), 25 (5 students). What is the approximate mean?
14
12
15
10
Explanation
Sum . Count = 25. Mean . Closest given is 14. (Recheck: 13.8 rounds to 14.) Correct answer: index 2 (14).
Want 10 more like this — adaptive to your weak spots?
A histogram shows test scores in bins: 60-69 (5 students), 70-79 (12 students), 80-89 (18 students), 90-99 (10 students). How many students scored 80 or above?…
chevron_rightA box plot has Q1 = 10, Q3 = 20. A value is typically considered an outlier if it falls outside Q1 - 1.5(IQR) or Q3 + 1.5(IQR). Is 35 an outlier?…
chevron_rightA dot plot shows: 5 (3 dots), 6 (2 dots), 7 (4 dots), 8 (1 dot). What is the mean?…
chevron_right