Answer Happy

ISOM2002 Statistics and Data Analysis In-class Exercise The owners of a mall are studying the shopping habits of their customers, and they believe that a typical shopper spent an average of 0.75 hours at the mall. Recently, the mall owners consider to add some specialty restaurants in order to keep shoppers in the mall longer. A consulting firm has been hired to evaluate the possible effects of the restaurants. A sample of 40 shoppers revealed that the mean time spent in the mall will be 0.80 hours, with a standard deviation of 0.20 hours, if some specialty restaurants are added. Test the effects of the additional specialty restaurants at the 5% significance level. Let X= time spent in the mall 1 Ho: H₁: [0.3] 2 a= [0.2] [0.2] [0.2] [0.1] [0.1] Test statistic: Decision rule: [Statistical Decision] [Conclusion]