WB TET · Mathematics and Science (Paper II)
Mean, median, mode and graphical representation of data.
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Q1 · Statistics and Data Handling · EASY
The marks obtained by 8 students in a test are: 15, 18, 20, 22, 22, 25, 28, 30. What is the median of these marks?
Q2 · Statistics and Data Handling · EASY
The number of books read by 10 students during summer vacation are: 3, 5, 7, 5, 8, 5, 9, 6, 5, 7. What is the mode of this data?
Q3 · Statistics and Data Handling · MEDIUM
The daily wages (in rupees) of 6 workers are: 250, 300, 280, 320, 300, 350. Find the mean wage.
Q4 · Statistics and Data Handling · HARD
A teacher recorded the marks of 9 students: 45, 50, 55, 60, 65, 70, 75, 80, 85. One more student joins and scores 40 marks. What is the change in the median after the new student's marks are included?
Q5 · Statistics and Data Handling · EASY
The marks obtained by 7 students are: 12, 15, 18, 14, 16, 20, 17. What is the median of this data?