This is a 2 day spreadsheet activity for a Statistics class. It uses spreadsheets as a walkthrough to allow students to organize data, form a hypothesis, find the T-statistic and p-value and use the decision criterion. The activity uses VLOOKUP, RANDBETWEEN, AVERAGE, STDEV.S, ABS, SQRT, and TDIST built-in spreadsheet functions. The product includes: Unit 9 Spreadsheet Activity (in xlsx format)Teacher instructionsAnswer Key included. *The topics covered are Hypothesis Testing, One Sample T-Test,