Q1. What are the five (5) broadly divided categories of Statistics and their associate definitions or explanations?
The following distribution data is given and apply to Q2 to Q5:
Marks less than 10 20 30 40 50 60 70 80 90
No. of Students 4 6 24 46 67 86 96 99 100
Homework Set no.1- STAT500-WIN11-1800/1900, UNVA, USA
Prepared by Professor Victor J. Chen, Ph. D., P.E. -01/12/2011 Page 2 of 2
Q2. Draw Histogram.
Q3. Draw Frequency Polygon.
Q4. Draw less than Ogive Curve.
Q5. Draw greater than Ogive Curve.
Q6. What are the three types of Mean? Please write down the
definitions by using their formula.
Q7. What is the difference between "Mean" and "Median"? Please indicate the difference by definitions and by graph. If the "Mean"
and "Median" of a data set distribution coincide each other, what does the physical meaning of the distribution curve?
Q8. Use formula with defined parameters to indicate the measures of "skewness", "kurtosis", and "Moments."
Q9. Find the standard deviation for the following data:
Class Interval: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Frequency: 6 14 10 8 1 3 8
Q10. Please follow the example 3 of Chapter 4 to perform your practice. Your Excel working sheets are required to submit for
review and grading.