Author: Anonymous

A psychologist is wondering whether favorite music genre (hip hop, classical, pop, jazz, country, etc.) is associated with whether students chose to do a final presentation or final paper at the end of an intro course.  Which type of graph would best display the distribution of music preferences for each project choice?

Remember to go and upload the work shown on paper in Part 2 of the test

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Question 4 (20 Points) Below is a simple Solow class. (a) (4 points) Using the Solow class, in what single line of code could you create an instance called s1 of the Solow class with the default parameters? (b) (4 points) For s1, in what line of code would you use to call the method steady_state? (c) (4 points) What line of code could change s to 0.1? Do NOT create a new instance. (d) (4 points) Is steady_state a function or a method? (e) (4 points) What line of code would you use to create a new Solow instance called s2 with a savings rate of 0.4 and population growth rate of 0.03, keeping all other parameters at their default values?

Question 3: Libraries: Pandas (15 points) Part A (5 points) Create a pandas DataFrame with data about 8-10 people you know (friends, family, fictional characters, etc.). Include at least 4 columns with mixed data types (names, ages, cities, hobbies, favorite numbers, etc.). Show the code to create this DataFrame. At least 8 rows and 4 columns Mixed data types (strings, integers, floats) Meaningful column names Display the DataFrame Part B (5 points) Perform these operations on your DataFrame: Set one column as the index Add a new calculated column based on existing data Sort the DataFrame by one column Filter the DataFrame using a condition you define Select specific rows and columns using both .loc and .iloc Part C (5 points) Create a bar plot of one of your numerical columns and provide a title that reflects your specific data. Remember: Use people you know or fictional characters to make your DataFrame more interesting and personal!

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Refer to Table 8-17. What is nominal GDP in 2024?  Table 8-17    2021 2024 Product Quantity Price Quantity Price Movies 20 $6.00 30 $7.00 Burgers 100 2.00 90 2.50 Bikes 3 1,000.00 6 1,100.00  A very simple economy produces three goods: movies, burgers, and bikes. The quantities produced and their corresponding prices for 2021 and 2024 are shown in the table above.

The slope of a production possibilities frontier measures the ________ of producing one more unit of a good.

The height of the rotary tidal wave is greatest near the node of the wave.

Which of the following may lead to upwelling?