Operations Management

Question 5#

Table 2.6 shows the temperature of a sample of coffee served by a cafe located in a shopping center's food court.The caf manager wants to ensure that the coffee temperature in each cup meets established federal guidelines of 160 to 180 degrees fahrenheit. Based on the information provided,what can you conclude about the sigma level? 

please look at the table :

table 2.6 temperature (degrees Fahrenheit)

162 166 173  173 168 168 159 166

159 181 169 175 177 168 171 162

172 172 181 166 173 172 172 181 

168 174 178 169 172 169 179 175

159 166 168 170 180 160 180 168