Compare the grouped data mean and standard deviation values to the ungrouped data mean and standard deviation calculated under task 1. Why are the values different and which findings are more accurate; the grouped or grouped statistics? Justify your answer.
Grouped Descriptive Statistics [14 marks] It was suggested to the retailer that the 130 transaction values could also be summarized in a grouped table. Three table templates based on Table 2 have been made available in the Excel file named “MN4063 Autumn CWK 1 Data” under the tab labelled Task 2. Table 2 – Grouped […]