This document contains a 10 question quiz for a statistics course. The quiz covers topics related to measures of central tendency including mean, median, mode, harmonic mean and geometric mean. Questions ask students to define and calculate these measures, as well as explain situations where some measures are not applicable or how extreme values can affect the mean. The quiz is worth a total of 100 marks and must be completed within 50 minutes.

1. INTERNATIONAL UNIVERSITY OF BUSINESS AGRICULTURE AND TECHNOLOGY
Quiz examination
STA 240 Set: X
Full marks: 100 (10x10) Time: 50 minutes
1. What do you mean by central tendency?
2. What are the measures of central tendency?
3. Why AM is the best measure of central tendency?
4. Find the two numbers whose HM=32/5 and GM=8.
5. Find the mode for the series 1, 2, 3, ………… , 500.
6. In what situations, HM and GM are not applicable?
7. In what situations, median and mode are not applicable?
8. What is the median of the sample 4,5,7,9,6,3,2, 5, 1, 9, 8, 5, 8?
9. Find the mean for the series 1000, 2000, 3000, …………, 50000.
10. Explain with a real life example how extreme values can affect the mean.
Md. Mortuza Ahmmed