TABLE 3-4 The Ordered Array Below Represents the Number of Cargo Manifests

question 146

Short Answer

TABLE 3-4
The ordered array below represents the number of cargo manifests approved by customs inspectors of the Port of New York in a sample of 35 days:
16, 17, 18, 18, 19, 20, 20, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 25, 25, 26, 26, 26, 27, 28, 28, 29, 29, 31, 31, 32, 32
Note: For this sample, the sum of the values is 838, and the sum of the squared differences between each value and the mean is 619.89.
-Referring to Table 3-4, the arithmetic mean of the customs data is ________.

---

Definitions:

Observational Study

A research method in which subjects are observed in their natural environment without any manipulation by the researcher.

Matched Pairs Experiment

A study design in which subjects are paired based on certain characteristics, with one subject in each pair receiving the treatment and the other serving as a control.

Observational Study

A study in which the researcher observes and records information on subjects without influencing the study outcome.

Anecdotal Evidence

Information based on personal accounts, observations, or stories rather than hard data or scientific research.