What information below is necessary for computing sample size for questions involving
means?
A. Precision
B. Confidence level
C. Expected dispersion in the population
D. Size of the interval estimate
E. All of the above
Hilton Hotels wishes to conduct a study on the determinants of brand loyalty among
Hilton Hotel customers. The Hilton organization estimates that 10% of its 2, 600,000
Hilton Honors club members are loyal to the Hilton brand wherever they travel.
However, the remaining members may choose other hotel brands at times. The
organization wants to understand how to increase loyalty among the other 90% of club
members.
In the Hilton example, the sample frame is made up of the _____.
A. list of Hilton Honors club members
B. list of guests staying at any Hilton hotel during a designated period of time
C. list of the top 10% of Hilton Honors club members
D. list of the 90% of Hilton Honors members who are not brand loyal
E. list of guests at Hilton’s top competitors