MKTG $4682$ Homework Assignment #$1$: Standard Deviation and Confidence Intervals

Instructions: Use the formulas and procedures provided in the Basic Statistics Review module to SOLVE the following business problems and ANSWER the associated questions. BE SURE TO SHOW YOUR CALCULATIONS AND WORK for EACH QUESTION to receive full credit. Problems #$1$ and #$2$ are worth $330$ points each and Problem #$3$ is worth $340$ points for a total of $1,000$ points available.

The following data represent the average $2020$ monthly sales in units for the Southwestern US Region's sales team for Kubota's Construction Equipment Americas division. Use the numbers shown in the table for your calculations.

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