STA 212 StatCrunch Example for Descriptive Statistics In this example we will demonstrate how to sort sampled data and obtain descriptive statistics. These procedures will be useful for the materials discussed from Chapter 3. The data for this example come from Chapter 3 Review Exercises, Exercise 8 on page 95. To enter the data into the spread-sheet use: Data ► Load data ► From WWW WWW address: http://www.nku.edu/~statistics/data212/c03r08.xls ► OK The data are now in the first column named “Budgets”. SORTING DATA: To obtain a sorted list of the data in the spread-sheet use: Data ► Sort Column Select Columns: Budgets ► Sort Columns The data are now sorted for the smallest to largest value. The sorted data are placed in the second column of the spread-sheet, and are named “Sort(Budgets).” DESCRIPTIVE STATISTICS: To obtain descriptive statistics for the 82 budgets use: Stat ► Summary Statistics ► Columns Select Columns: Budgets ► Calculate Summary statistics: Column n Mean Variance Std. Dev. Std. Err. Median Range Min Max Q1 Q3 Budgets 82 18.154879 298.5993 17.280025 1.9082596 13.45 93.1 2.9 96 6.7 21.6 A Histogram of the 82 budgets is shown below.
Pages to are hidden for
"STA 212 StatCrunch Example for Descriptive Statistics Summary"Please download to view full document