A real estate major collected information on some recent home sales. The first 6

Question

A real estate major collected information on some recent home sales. The first 6 lines of the database appear below. The columns correspond to the house identification number, the community name, the ZIP code, the number of acres of the property, the year the house was built, the market value, and the size of the living area (in square feet).

a. What does a row correspond to in this data table? How would you best describe its role: as a participant, subject, case, respondent, or experimental unit?

b. How many variables are measured on each row?

960

House ID Neighborhood Mail ZIP Acres YR-Built Full_Market_Value Size 413400536 Greenfield Manor 12859 1.00 1967 $1,00,400

960

4128001474 Fort Amherst 12801 0.09 1961 $1,32,500 906 412800344 Dublin 12309 1.65 1993 $1,40,000 1620 4128001552 Granite Springs 10598 0.33 1969 $67,100 900 412800352 Arcady 10562 2.29 1955 $1,90,000 1224 413400322 Ornsbee 12859 9.13 1997 $1,26,900 1056

Explanation / Answer

A) The rows of the data table correspond to individual cases and these are recorded as variables. Here, the best described role is’ respondent’.

B) The column titles called variable names. They tell about what has been recorded. Here, the numbers of variables are seven. House_ ID, Neighbourhood, Mail_ZIP, Acres, YR _ Built, Full_ Market value and Size.

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