Assignment 1 + Extra Credit

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School

Purdue University *

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Course

30301

Subject

Economics

Date

Feb 20, 2024

Type

docx

Pages

4

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Chapter 1 Exs.3 A) Average Tablet Cost: 582.90 B) Windows Average: 732.20 Android Average: 428.50 C) % of IT OAP CPUs : 20% D) % of Android: 40% Exs.19 A) The 2861 North American Subscribers B) Annual income is a quantitative variable C) Ownership of an American Express card is a categorical variable D) Cross-Sectional E) They can assume that about 60% of their North American subscribers make $75,000 or more and that half of their North American Subscribers have an American Express credit card Exs.24 A) This is a correct descriptive statistic for the sample B) This statement is too generalized due to that the sample is not the whole population C) This statistical inference is acceptable due to it being considered an estimate D) This statement is true for the sample but cannot be concluded for the population E) This statement is not supportable due to the possibility of the new 5 students to be outside the 65-90 range. Chapter 2 Exs.55 A) 1800 1820 1840 1860 1880 1900 1920 1940 1960 1980 $0 $5,000 $10,000 $15,000 $20,000 $25,000 $30,000 $35,000 $40,000 $45,000 $50,000 Year Founded vs. Tuition & Fees B) There is a slight negative correlation between Year Founded and Tuition & Fees
Exs.56 A) 0 10 20 30 40 50 60 70 80 90 100 % Graduate VS. Tuition Fees B) There is a strong positive correlation between Graduation percentage and Tuitions & Fees Chapter 3 Exs.53 A) Median : 13.9 B) % of Top-50 Companies > S&P Average: 40% C) Min: -13.90 , Q1: 3.70 , Mean: 19.53 , Q3 : 30.00 , Max : 117.10 D) Outliers : 84.5, 117.1, 116.1 E)
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