Q1. Data Exploration (10 points) Use the dataset “supply_cha…

Q1. Data Exploration (10 points) Use the dataset “supply_chain” for this question a. (2 points) Is the response variable Replenishment_Cost normally distributed or skewed? b. (2 points)  Which product type has the highest average Replenishment_Cost? c. (2 points) Calculate the correlation coefficient and plot a scatterplot between Order_Quantity and Lead_Time. Do products with higher Order_Quantity tend to have lower Lead_Time? d. i) (2 points) How does the distribution of Replenishment_Cost vary across different Regions, and are there any outliers identifiable in each region? ii)(2 points) Test whether the mean Replenishment_Cost significantly differs across the four Region categories?

Midterm Exam 1 – Open Book Section (R) – Part 2 Instru…

Midterm Exam 1 – Open Book Section (R) – Part 2 Instructions Answer the questions below by completing the Jupyter Notebook file. You may make slight adjustments to get the file to convert but otherwise keep the formatting the same. Once you’ve finished answering the questions, submit your responses in a single file as HTML only.   Next Steps: Save the .ipynb file in your working directory – the same directory where you will download the .csv into. Save the file as you work on the exam questions so you do not encounter issues at the end of the exam.  Once you’ve finished answering all questions, save this file and submit your final file as HTML on Canvas. Submitting any other file type will result in a penalty applied to your exam grade.   Data Set supply_chain_data.csv Starter TemplatesYou may use either Jupyter Notebook Starter Template: Jupyter Notebook Starter Template in R:  Spring2025_Midterm1_starter_template.ipynb Jupyter Notebook Starter Template in Python:  Fall2024_midterm_python_starter_template.ipynb (WILL BE UPDATED BY WARDA)

You work for Let’s Potato Chip Co., and have been assigned t…

You work for Let’s Potato Chip Co., and have been assigned to determine if the machine that fills the chip bags is working properly. Each bag is advertised to have 10.5 oz. of chips. You take 35 bags of Let’s Chips, and weigh the chips inside. You find a sample mean of 10.274 oz. and a standard deviation of 0.687 oz.   Based on the results from your test, would you recommend fixing the machine? Explain your answer.