A Multiple-Comparison Procedure for Comparing Four Treatment Means Produced the Confidence

question 6

Multiple Choice

A multiple-comparison procedure for comparing four treatment means produced the confidence intervals shown below. Rank the means from smallest to largest. Use solid lines to connect those means which are not significantly different. $$\begin{array} { l } \left( \mu _ { A } - \mu _ { B } \right) : ( 16,36 ) \\\left( \mu _ { A } - \mu _ { C } \right) : ( 8,22 ) \\\left( \mu _ { A } - \mu _ { D } \right) : ( 2,22 ) \\\left( \mu _ { B } - \mu _ { C } \right) : ( - 21 , - 1 ) \\\left( \mu _ { B } - \mu _ { D } \right) : ( - 23 , - 5 ) \\\left( \mu _ { C } - \mu _ { D } \right) : ( - 12 , - 1 ) \end{array}$$

• A) \(\mathrm { BC } \overline { \mathrm { A } \mathrm { D } }\)
• B) \(\overline { \mathrm { CD } } \mathrm { B } \mathrm { A }\)
• C) \(\mathrm { B } \overline { \mathrm { CD } } \mathrm { A }\)
• D) \(B C D A\)

---

Definitions:

Candy Store

A retail establishment specializing in the sale of candies, chocolates, and often other sorts of confections and sweets.

Moving Company

A business that provides services to transport furniture, equipment, and other belongings from one location to another.

FOB

An international commercial term indicating that the seller delivers the goods on board a vessel designated by the buyer.

Abbreviation

A shortened form of a word or phrase used primarily in writing to represent the complete form.