TABLE 13-4 The Managers of a Brokerage Firm Are Interested in Finding

question 41

Short Answer

TABLE 13-4
The managers of a brokerage firm are interested in finding out if the number of new clients a broker brings into the firm affects the sales generated by the broker. They sample 12 brokers and determine the number of new clients they have enrolled in the last year and their sales amounts in thousands of dollars. These data are presented in the table that follows.
-Referring to Table 13-4, suppose the managers of the brokerage firm want to construct both a 99% confidence interval estimate and a 99% prediction interval for X = 24. The confidence interval estimate would be the ________ (wider or narrower) of the two intervals.

---

Definitions:

Table Event

An action or occurrence within a database table that triggers specific responses or functions.

Data Macro

A feature in database management systems used to automate tasks, such as updating or validating data when it is entered or changed.

Table Events

In database and programming contexts, actions or triggers related to operations on data tables, such as insert, update, or delete actions.

After Update

"After Update" is an event in various programming and database environments that triggers after an existing record or piece of data has been modified.