Exercise: Q1. Calculate the mean, median and mode for the following numbers 26 21 28 22 23 27 23 25 23 24 Q2. The mean of three is 15, whilst the mean of these and another two numbers is 28. If one of...

Extracted text: Exercise: Q1. Calculate the mean, median and mode for the following numbers 26 21 28 22 23 27 23 25 23 24 Q2. The mean of three is 15, whilst the mean of these and another two numbers is 28. If one of the latter is 20. What is the other. Q3 Find the median of 10 17 5 17 17. 19 13 Q4. What is the mode of the following set of numbers? 11 14 16 16 31 G5. Find for the following set of numbers, the mean, median and mode 9. 12 12 16 15 14 5 10 10 6 12 Q6. Name and define the two areas of statistics Q8. Explain the difference between a sample and a population Q9. Why are samples used in statistics? Q10. By observing arrival times, a teacher records the following figures of lateness to class (in minutes) of 30 students. Construct a frequency distribution for the data using 5 classes. 6. 0 15 10 4 1 2 12 6 10 0 4 8 1 6. 3 10 6 4 0 3 4 5 Q11. Construct a grouped frequency distribution for the data using five classes 25 24 25 24 25 23 25 19 32 23 22 24 26 25 23 28 25 25 26 27 22 28 23 24 24 25 22 29 23 21 Q12. The grade points for the top 30 graduate schools of business are listed. Construct a frequency distribution with six classes. 2.