1. Identify the level of measurement—nominal, ordinal, interval—represented in each of the following variables
(a) names of football teams
(b) answers to a survey item that asks, “How interested are you in politics?” Responses are coded in the following way: 0 = not interested, 1 = somewhat interested, 2 = very interested
(c) change in economic growth
(d) favorite type of ice cream
(e) answers to a survey item that asks, “How much do you like ice cream?” Possible answers are: Strongly Dislike, Dislike, No Opinion, Like, Strongly Like
2. Suppose you ask 20 people what their favorite Philadelphia sports team is, and you receive the following responses:
Eagles, Phillies, Eagles, Eagles, Flyers, Sixers, Flyers, Phillies, Eagles, Sixers, Flyers, Eagles, Phillies, Phillies, Eagles, Flyers, Eagles, Union, Sixers, Eagles
Construct a frequency distribution for the data you have collected.
Questions 3 through 7 refer to the following data:
Country |
% GDP spent on Health Care |
Australia |
8.7 |
Bolivia |
4.8 |
Canada |
11.3 |
Germany |
11.6 |
Ireland |
9.2 |
Mexico |
6.3 |
Norway |
9.5 |
Russia |
5.1 |
South Korea |
6.9 |
Spain |
9.5 |
United States |
17.9 |
3. Calculate the measures of central tendency
4. Calculate the variance and standard deviation
5. Calculate the inter-quartile range of the data
6. Construct a histogram of the data above (hint: you’ll have to create bins on your own—make sure they make sense!)
7. Draw a boxplot for the data above
Subject | Science |
Due By (Pacific Time) | 09/09/2013 12:00 am |
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