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Instruction 12.39
The managers of a brokerage firm are interested in finding out if the number of new customers a broker brings into the firm affects the sales generated by the broker. They sample 12 brokers and determine the number of new customers 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 Instruction 12.39,suppose the managers of the brokerage firm want to obtain a 99% confidence interval estimate for the mean sales made by brokers who have brought into the firm 24 new customers.The t critical value they would use is __________.
Q23: Referring to Instruction 11-10,what degrees of freedom
Q27: Referring to Instruction 12.2,what is the
Q73: Referring to Instruction 13.14 Model 1,estimate the
Q87: Referring to Instruction 14-5,to obtain a forecast
Q96: Referring to Instruction 14-11,the fitted value for
Q123: Referring to Instruction 12.5,the estimates of the
Q141: Referring to Instruction 12.35,there is sufficient evidence
Q191: The standard error of the estimate is
Q205: Referring to Instruction 13.25 Model 1,the
Q241: Referring to Instruction 13.7,to test the significance