## Calculate the standard deviation

Question description

You manage the inventory for a car dealership. Your management would like you to review current inventory on the dealership lot.

Review the Week 2 Data Set.

You manage the inventory for a car dealership. Your management would like you to review current inventory on the dealership lot.

Review the Week 2 Data Set.

Create and calculate the following in Excel®:

1. Create a Pie Chart which summarizes colors of the cars in the sample.
2. Create a Bar Chart which summarizes the frequency of the models of the cars in the sample.
3. Create a Frequency Table for classes of MPG, including Frequency and Relative Frequency for the cars in the sample.
• Calculate the mean Days in Inventory for the cars in the sample.
• Compare that to the median and the mode.
4. Highlight the value that would be a better representation of the “typical” price of a car in inventory?
5. Calculate the standard deviation of the Days in Inventory for the cars in the sample.
6. Calculate the 5 number summary for the suggested retail prices of the cars in the sample. This consists of the 1st, 2nd, 3rd, 4th quartile and the IQR.
1. Create a Pie Chart which summarizes colors of the cars in the sample.
2. Create a Bar Chart which summarizes the frequency of the models of the cars in the sample.
3. Create a Frequency Table for classes of MPG, including Frequency and Relative Frequency for the cars in the sample.
• Calculate the mean Days in Inventory for the cars in the sample.
• Compare that to the median and the mode.
4. Highlight the value that would be a better representation of the “typical” price of a car in inventory?
5. Calculate the standard deviation of the Days in Inventory for the cars in the sample.
6. Calculate the 5 number summary for the suggested retail prices of the cars in the sample. This consists of the 1st, 2nd, 3rd, 4th quartile and the IQR.

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