Statistical Inference BBA Fall-2020 Practical # 01 Learning Objectives Introduction Installation Data entry Measurement of scales Coding Variables Saving SPSS sheets and output Getting help Object # 01: Twenty-four army inductees were A B B AB O O O B given a blood test to determine their blood type. B B O A O A O O Enter data into SPSS. Specify scales of data. AB A O B A AB B O Construct frequency distribution and draw simple bar & pie chart. Interpret graphs. Go to Analyze Descriptive Statistics Frequencies Check “display Frequencies”Charts check Bar chart and pie chart OK. Object # 02: The following data represent the record high temperatures for each of the 50 states. Construct a grouped frequency distribution for data using 7 classes, histogram, stem and Leaf display, Box plot and comments. Go to Transform Visual Bining Variables to Bin Continue on Binned variable box write name to create binned variable Click on Make cut points specify minimum cut point & no. of cut points ApplyOK 112 100 127 120 134 112 110 118 117 116 118 109 107 112 114 115 118 110 116 108 110 121 113 111 120 113 120 117 105 114 Now go to Analyze Descriptive Statistics Frequencies Select the binned variable and other desired options and OK . 118 105 110 109 122 114 114 105 117 118 122 106 120 119 111 104 110 118 112 114 Go to “Graph” Chart Builder Histogram DO YOURSELF Object # 03: At a college financial aid office, students who applied for a scholarship were classified according to their class rank: Fr = freshman, So = sophomore, Jr = junior, Se = senior. Construct a frequency distribution and make suitable charts for the data. What these graphs tell you? Fr Jr Fr So Se Fr Se So Fr Fr So Fr Jr Fr Se So Fr Fr Jr Fr Jr Fr Jr So Fr Fr So Fr So Fr Fr So So Fr Fr So Jr Se So So Object # 04: The blood urea nitrogen count (BUN) of 20 randomly selected patients is given here in mg/dl. Construct an ungrouped frequency distribution, histogram and analyze the results. 17, 18, 13, 14, 12, 17, 11, 20, 13, 18, 19, 17, 14, 16, 17, 12, 16, 15, 19, 22