Description Of The Manager Of Snowpea Restaurant Collected Data On The New Four Delivery

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Background Snowpea is a Restaurant specialized in Chinese delivery and carryout. Recently it hired four new employees for delivery staff. However, after hiring the new delivery people, Snowpea starts getting complaints from customers about the excessively long delivery times. Descriptive Statistics The manager of Snowpea Restaurant collected data on the new four delivery people to find the possible cause of the complaints. Figure two shows the descriptive statistics for the preparation time, in minutes, from when the orders are placed until they are ready to be delivered to the customers. Based on the descriptive statistics of the sample data for the preparation time, the deliverers two and four have a mean preparation time slightly higher than the total mean of the four people, which could contribute to a longer delivery time of the orders. However, the mean of those two delivery people are not significantly higher, so the preparation time could not be the cause of the delays in delivery. On the other hand, figure one shows descriptive statistics for the speed, measured in kilometers per hour, for the four deliverers and also the total speed for the four people. Deliverers one and two, with average speeds of 42.46 and 48.15 respectively, have a mean speed higher than the mean speed of the total average of 38.79 of the four deliverers with two having the highest average speed. However, with a mean speed of 33.51 and 28.14, deliverers three and four have significant lower

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