Descriptive Statistics Worksheet

This worksheet covers Descriptive Statistics: mean, median, mode and range from a list; building frequency tables; and reading bar charts.

There are $20$ questions in total. Show your working where a calculation is involved. Work on paper, then check against the lessons if you get stuck.

Q1. Find the mean, median, mode, and range of: $82,91,76,88,91,65,79$.

Q2. Find the mean, median, mode, and range of: $55,63,70,63,48,82,59,63$.

Q3. Find the mean, median, mode, and range of: $12,18,25,12,30,9,21$.

Q4. Find the mean, median, mode, and range of: $100,95,88,95,76,100,92,84,95$.

Q5. Find the mean, median, mode, and range of: $34,41,29,34,50,27,38,34$.

Q6. Find the mean, median, mode, and range of: $7,14,9,14,20,11,16$.

Q7. Find the mean, median, mode, and range of: $61,74,58,74,90,66,74,82$.

Q8. Find the mean, median, mode, and range of: $3,8,5,8,12,6,9,8,4$.

Q9. $16$ students reported books read last month as: $1,2,0,3,1,1,2,0,1,2,3,1,0,2,1,2$. Build a frequency table and find the mean, median, and mode.

Q10. $18$ students reported siblings as: $0,1,1,2,0,3,1,2,1,0,2,1,4,1,2,0,1,3$. Build a frequency table and find the mean, median, and mode.

Q11. $18$ households reported cars owned as: $2,1,0,1,3,2,1,0,2,1,1,3,0,2,1,2,0,1$. Build a frequency table and find the mean, median, and mode.

Q12. $20$ students reported hours of TV watched yesterday as: $3,2,1,4,2,3,1,2,0,3,2,1,4,2,3,2,1,2,0,3$. Build a frequency table and find the mean, median, and mode.

Q13. $15$ students reported siblings as: $1,0,2,1,0,3,1,2,0,1,1,2,0,1,3$. Build a frequency table and find the mean, median, and mode.

Q14. $16$ employees reported late arrivals last month as: $0,1,2,1,0,3,1,0,2,1,1,0,2,1,3,0$. Build a frequency table and find the mean, median, and mode.

Q15. Using Chart A: how many students were surveyed in total?

Q16. Using Chart A: what is the mode of the number of books read?

Q17. Using Chart A: how many students read more than $2$ books?

Q18. Using Chart B: how many more students chose Math than Art?

Q19. Using Chart B: how many students chose Science or English combined?

Q20. Using Chart B: how many students were surveyed in total?