Seminar I
1. The bank2.xls file contains employees’ data of a bank.
a. what is the population size?
b. How many variables are in the data file? What are the measurement levels of
the variables?
2. we would like to examine the statistics class.
a. what is the target population?
b. what is the population size?
c. what is 1 unit?
d. Group the students by gender! Organize them into a frequency and a relative
frequency table!
i. Create a pie chart on paper,
ii. Create a bar chart with Excel!
Describe categorical variables
1. The bank.xls file contains employees’ data of a bank. Solve problems below with
Excel PIVOT tables.
a. How can we describe the employees by gender?
b. How can we describe the employees by language exam level?
c. How can we describe the employees under 40 by gender?
d. How can we describe the employees by gender and language exam int he same
time?
e. Describe man and women by language exam level distribution! Compare data!
f. What is the ratio of man on the different language exam level?
Explore statistical databases: HCSO, EUROSTAT, OECD
1. What is the number of unemployment in Hungary in 2012 and 2013? What about the
unemployment rate?
2. Consider the methodology!
3. Compare the Hungarian data with the European average!