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Relative frequency for number of sandwiches

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Reference no: EM132461618

For doing the case study you need to work on Excel file that is attached below.

1. Open the sheet Mc Donald: Waiting Times are very important factor in Drive-Thru ordering system. McDonald has collected the data of 362 costumers in drive-thru ordering line you can find the data set in attached file below.

a) Construct a frequency distribution, and relative frequency for number of sandwiches was ordered by costumers.

b) What is the probability of getting order with more than 4 sandwiches?

c) Construct a histogram for Customer Waiting Time. Discuss the shape of distribution, is it symmetric or not?

d) Calculate the mean and standard deviation for customer waiting time.

e) If we suppose a Normal distribution for waiting time, what is the chance that customer wait more than 200 seconds in McDonald drive thru?

2. Open the sheet "Airplanes" then use appropriate diagram for discovering the relationship between passenger capacity and fuel consumption. Explain the result.

3. Open the "Gasoline Prices" worksheet and then use appropriate tool for representing the price trend over the time.

Reference no: EM132461618

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