REET · Mathematics and Science (Level 2)
Statistics
Data representation, mean, median, mode and graphs.
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Take a full mock →Q1 · Statistics · EASY
The marks obtained by 7 students in a mathematics test are: 15, 18, 12, 20, 18, 22, 18. What is the mode of this data?
Q2 · Statistics · MEDIUM
The monthly savings (in rupees) of 8 families are: 500, 600, 450, 700, 600, 550, 650, 600. Find the mean and median of the data respectively.
Q3 · Statistics · MEDIUM
A bar graph shows the number of books read by students in a month: 5 students read 2 books each, 8 students read 3 books each, 6 students read 4 books each, and 3 students read 5 books each. What is the mean number of books read per student? (Round to one decimal place)
Q4 · Statistics · MEDIUM
The marks obtained by 5 students are 68, 72, 85, 90, and 75. What is the mean of their marks?