Estimates of Variances: 1977 Nationwide Personal Transportation Study: Report 10

Details

• Alternative Title:
  1977 Nationwide Personal Transportation Study (NPTS): Report 10: Estimates of Variances
• Creators:
  Asin, Ruth H.
• Corporate Creators:
  United States. Federal Highway Administration
• Corporate Contributors:
  United States. Department of Transportation. Federal Highway Administration. Highway Statistics Division
• Subject/TRT Terms:
  • Statistics
  • Travel patterns
  • Travel behavior
  • Variance
  • Errors
  • NPTS 1977
• Publication/ Report Number:
  NPTS 1977 Report No. 10
• Series:
  Nationwide Personal Transportation Survey (NPTS)
• Resource Type:
  Statistical Report
• Geographical Coverage:
  United States
• Corporate Publisher:
  United States. Federal Highway Administration
• Abstract:
  This report is part of a series that presents data relating to the 1977Nationwide Personal Transportation Study.(NPTS).This report presents in tabular form, estimates of variability referred to as standard errors based on information obtained from a probability sample of households interviewed for NPTS. The tables contain standard errors for estimates of vehicle trips, person trips, and person miles, and household demographic characteristics. Estimates of standard errors of percentages have been prepared for vehicle trips, vehicle miles, person trips, and person miles for different trip purposes. In addition, standard errors of means are presented for average annual vehicle trips duration and trip distance.
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/58732/dot_58732_DS1.pdf
• File Type:
  [PDF - 2.92 MB]
• Collection(s):
  Federal Highway Administration
• Main Document Checksum:
  urn:sha-512:64847cb1cfd3f05d9af250ca3c301f849e13fa5c4e84416965bfeea89fc2b3de37e0425443d8301386a3950468f06cbaf1bf710776d91eaedefb2cd9a704dc23