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Chapter 1: Q5CQQ (page 1)

Birth Weights Which of the following best describes the level of measurement of the birth weights described in Exercise 3: nominal, ordinal, interval, ratio?

Short Answer

Expert verified

Ratio data

Step by step solution

01

Given information

The weights of newborn babies are recorded in grams.

02

Differentiate between the four scales of measurement

Nominal: Data that can only be categorized and cannot be ranked

Ordinal: Data that can be categorized and ordered

Interval: Data that be categorized, ordered, and have well-defined gaps

Ratio: Data that be categorized, ordered, has well-defined gaps, and meaningful interpretation of zero

03

Identify the data based on the scale of measurement

The following can apply to the weights of newborns:

  • They can be categorized into different ranges.
  • They can be ordered in increasing or decreasing order.
  • The difference between any two values can be meaningful.
  • The value zero grams can be meaningful or being the base level.

Thus, the weights of newborns are measured on a ratio scale of measurement.

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