STATISTICS I (ECONOMICS AND BUSINESS ADMINISTRATION)
2020-21 academic year
Prof. Dr. Juan Manuel Menéndez
Problems related to topics 1-2-3
1. The daily sales of a product are: 280-281-282-283-284-285-287-289-292-293-294-
295-296-299-281-282-283-284-287-293- 294-295-296.
It asks:
a. Create the table of absolute frequencies.
b. Draw the corresponding histogram.
2. Browsing fourvago.com, a consumer has found the following information about how
many hotels offer different prices per night between 300 and 1,500 e.
a. Build the table of absolute frequencies of the variable that you consider appropriate
from the statement.
b. Draw the corresponding diagram.
3. The following tables provide information on the benefits of Spanish companies in
euros and their frequencies and the benefits of US companies in dollars and their
frequencies.
Spanish
companies
US companies
Benefit in
euros
Frequencies Benefit in $ Frequencies
1.000.000 4 10.000 2
1.100.000 6 11.000 2
1.200.000 6 12.000 4
1.300.000 2 13.000 4
1.400.000 2 14.000 4
15.000 2
16. 000 2
Price 300 400 500 700 750 800 1000 1250 1500
Numbe
r of
hotels
5 7 10 11 6 5 3 2 1
