TABLE 2-13 Given Below Is the Stem-And-Leaf Display Representing the Amount of Amount

question 191

Short Answer

TABLE 2-13
Given below is the stem-and-leaf display representing the amount of detergent used in gallons (with leaves in tenths of gallons) in a day by 25 drive-through car wash operations in Phoenix.
9 | 1 4 7
10 | 0 2 2 3 8
11 | 1 3 5 5 6 6 7 7 7
12 | 2 2 3 4 8 9
13 | 0 2
-Referring to Table 2-13, if a percentage histogram for the detergent data is constructed, using "9.0 but less than 10.0 gallons" as the first class, the percentage of drive-through car wash operations that use "12.0 but less than 13.0 gallons" of detergent would be ________.

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Definitions:

Deceptive Procedures

Methods used in research that involve misleading participants about the true purpose of a study or experiment.

Ethical Guidelines

A set of principles designed to help professionals conduct business honestly and with integrity, particularly in research and clinical practices.

Peer Review

A process used in academic and professional fields where work is evaluated by one or more people with similar competences as the producers of the work.

Bloodletting

An ancient medical treatment that involved withdrawing blood from a patient to cure or prevent illness and disease.