Question
Chapter 1 Problems Identify the type of data (qualitative/quantitative) and the level of measurement for Problems 1.1 through 1.18. Explain your choice. 1.1 The average
Chapter 1 Problems Identify the type of data (qualitative/quantitative) and the level of measurement for Problems 1.1 through 1.18. Explain your choice.
1.1 The average monthly temperature in degrees Fahrenheit for the city of Wilmington, Delaware, throughout the year
1.2 The average monthly rainfall in inches for the city of Wilmington throughout the year
1.3 The education level of survey respondents
Level Number of Respondents High school 168 Bachelor's degree 784 Master's degree 212
1.4 The marital status of survey respondents
Status Number of Respondents Single 28 Married 189 Divorced 62 1.5 The ages of the respondents in a survey
1.6 The genders of the respondents in a survey
1.7 The years in which the respondents to a survey were born
1.8 The voting intentions of the respondents in a survey classified as Republican, Democrat, or Undecided
1.9 The ethnicity of the respondents in a survey classified as White, African American, Asian, or Other
1.10 The performance rating of employees classified as Above Expectations, Meets Expectations, or Below Expectations
1.11 The uniform number of each member on a sports team
1.12 A list of the graduating high school seniors by class rank
1.13 Final exam scores for your statistics class on a scale of 0 to 100
1.14 The state in which the respondents in a survey reside
1.15 SAT scores for graduating high school students
1.16 Movie ratings: G, PG, PG-13, R
1.17 In order to promote the development of electric cars, the government has proposed rating passenger vehicles on a letter scale of A-D based on fuel efficiency and emissions. The following five vehicles were given these ratings:
Vehicle Rating Nissan Leaf A+ Toyota Prius A Ford Focus B Jeep Grand Cherokee C+ Ferrari 612 Scaglietti D 1.18 S&P provides ratings for the creditworthiness of countries around the world on a letter scale from AAA (highest) to D (lowest). The following table shows the S&P rating for various countries in April 2018.
Country Rating Canada AAA Germany AAA United States AA+ Israel A+ Ireland BBB+ Mexico BBB Identify the data shown in Problems 1.19 and 1.20 as either time series or cross-sectional.
1.19 The following table shows the closing price of the three major stock markets on March 29, 2018:
Stock Market Closing Price Dow Jones Industrial 24,103 NASDAQ 7,063 S&P 500 2,641 1.20 The following table shows the average values of the stock market as measured by the Dow Jones Industrial Average during the second half of 2017:
Date Closing Price 2017-07 21581.25 2017-08 21914.08 2017-09 22173.41 2017-10 23036.24 2017-11 23557.93 2017-12 24545.38 Problems 1.21 and 1.22 refer to the following data, which show the median usual weekly real earnings of full-time workers by gender over a five-year period:
Year Men Women 2012 $372 $301 2013 $370 $303 2014 $368 $304 2015 $377 $307 2016 $381 $312 2017 $384 $314 Source: https://fred.stlouisfed.org
1.21 Identify the time series data in the table.
1.22 Identify the cross-sectional data in the table.
Problems 1.23 and 1.24 refer to the following data, which shows the number of photographs sold at Island Art, a retail store in Stone Harbor, New Jersey, by print-size over a four-year period:
Year Print-Size 810 1114 1319 2014 117 102 160 2015 92 125 146 2016 105 111 133 2017 112 89 138 1.23 Identify the cross-sectional data in the table.
1.24 Identify the time series data in the table.
Identify each of the following as either descriptive or inferential statistics.
1.25 The average salary of a random sample of 50 high school teachers in 2017 was $52,400.
1.26 Based on a random sample of hotels in Chicago and a random sample of hotels in Atlanta, it was concluded that the average cost of a hotel room in Chicago was greater than one in Atlanta.
1.27 A study has concluded that the average credit card debt of college graduates has increased from 2016 to 2017.
1.28 The average Amazon.com rating of the book The Complete Idiot's Guide to Statistics 2e, by 126 reviewers is 4.3 on a scale of 1 to 5.
1.29 The average American viewer watches 151 hours of TV per month.
1.30 Seventy-eight percent of customers at the Holiday Inn hotel in Dover, Delaware, arrived before 6 PM last week.
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