MATH302 Week 1 Test

1. Question: "Number of times per week" is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. 2. Question: What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determine what proportion of the coffee users are teenagers. The barista has a tally sheet on which she marks whether the coffee order is for a teenager or adult. She records this data for every fifth patron who orders coffee. 3. Question: What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determine what proportion of the coffee users are teenagers. The barista has a tally sheet on which she marks whether the coffee order is for a teenager or adult. She records this data for every fifth patron who orders coffee. 4. Question: What was the sampling method that was used in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. 5. Question: A market researcher polled every eighth person who walks into a grocery store. What type of sampling was used? 6. Question: A local polling chapter is interested in the mean age of people who voted in the last election. They want to use this information to help get more people of all ages out to vote. Identify the sample. 7. Question: An APU instructor is interested in the mean number of days an APU statistic students are absent from class during a quarter. X = number of days an APU statistic students are absent from class during a quarter. In this case, X is an example of : 8. Question: A Priest is interested in the proportion of couples who stay married after he marries them. Identify the sample: 9. Question: Use the following information to answer the question: The (incomplete) table below contains data on hurricanes that have made direct hits on the U.S. Between 1851 and 2004. A hurricane is given a strength category rating based on the minimum wind speed generated by the storm. What is the relative frequency of direct hits that were category 3 hurricanes? 10. Question: 80 part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Answer the following two questions: What percent of students take exactly three courses? Round to a whole number. Do not include any decimals. What percent of students take one or three courses? Round to a whole number. Do not include any decimals. 11. Question: Education and graduation rate statistics for 50 US states were collected from local high schools . One analysis of this data found a strong connection between education and income indicating that higher levels of education in a community correspond to lower income. Which of the potential problems with samples discussed below could explain this connection? 12. Question: Education and graduation rate statistics for 50 US states were collected from local high schools . One analysis of this data found a strong connection between education and income indicating that higher levels of education in a community correspond to lower income. Which of the potential problems with samples discussed below could explain this connection? 13. Question: You are collecting the same data and receive very different results from your participants. What should you do? 14. Question: Round the fraction ¾ to 4 decimal places. Make sure you include the 0 in front of the decimal. 15. Question: Round the fraction 687/86 to 4 decimal places. 16. Question: What measurement scale is used in the following example? SAT and ACT test scores 17. Question: What measurement scale is used in the following example? A satisfaction survey of a local restaurant: 1=Very Satisfied 2= Satisfied 3= Somewhat Satisfied 4=Not Satisfied 18. Question: What measurement scale is used in the following example? College Football players classified by their athletic ability: Superior, Average, Above average: 19. Question: What measurement scale is used in the following example? IQ Scores: 75, 90, 115, 130, 145 20. Question: What measurement scale is used in the following example? The colors of pencils in a Crayola Colored Pencil 50 count box