For Exercises 65–71, do the following.

  1. List the elements and the variables.
  2. Identify the qualitative variables and the quantitative variables.
  3. For each quantitative variable, indicate whether it is discrete or continuous.
  4. For each variable, identify the level of measurement.
  5. Provide the observation for the indicated element.

Question 1.77

69. Births and Maternal Age in Westchester County, NY. The following table represents the number of births and the average maternal age in 10 hospitals in northwest Westchester County, New York. Do (a)–(d). What is the observation for Sleepy Hollow?

19

Hospital Births Average maternal age
Briarcliff Manor 71 34.1
Buchanan 25 31.6
Cortlandt 348 32.2
Croton-on-Hudson 93 33.5
Mount Pleasant 277 32.8
Ossining 1 80 32.1
Ossining 2 371 29.2
Peekskill 365 29.0
Pleasantville 79 32.9
Sleepy Hollow 134 29.2

1.2.69

(a) Elements: Hospitals Briarcliff Manor, Buchanan, Cortlandt, Croton-on-Hudson, Mount Pleasant, Ossining 1, Ossining 2, Peekskill, Pleasantville, and Sleepy Hollow; Variables: births and average maternal age (b) Qualitative variables: There are no qualitative variables; Quantitative variables: births and average maternal age (c) Births—discrete; average maternal age— continuous (d) Births—ratio; average maternal age—ratio (e) 134, 29.2