STAT 250 FINAL REVIEW UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

STAT 250 FINAL REVIEW UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS

Question:
1. a realtor's website provides information on area homes that are for sale. identify the given variable as
either categorical or quantitative. list price: amount, in thousands of dollars, for which the house is being
sold
Answer:
quantitative

Question:
2. a realtor's website provides information on area homes that are for sale. identify the given variable as
either categorical or quantitative school district: the school district in which the home is located
Answer:
categorical

Question:
3. a realtor's website provides information on area homes that are for sale, including the following
variables: List Price, School District, Size, Style what are the cases in the realtor's dataset?
Answer:
individual houses

Question:
4. the USStates dataset, used throughout the textbook, contains information on the 50 U.S. states. A small
segment from the dataset is displayed in the following table what are the cases in this dataset?
Answer:
states

Question:
5. the USStates dataset, used throughout the textbook, contains information on the 50 U.S. states. A small
segment from the dataset is displayed in the following table what variable from this dataset is displayed? is
it categorical or quantitative?
Answer:
variable = percent of state residents with a college degree. this is a quantitative variable

Question:
6. the USStates dataset, used throughout the textbook, contains information on the 50 U.S. states. A small
segment from the dataset is displayed in the following table data from the state of conneticut were used to
determine that 42.7% of state residents had a college degree. what were the cases from conneticut used to
arrive at this figure?
Answer:
residents of conneticut