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INTRODUCTION 2 Stratified Sampling Method 2 Sample 5 PLAN 8 HYPOTHESIS 1 9 Scatter graphs 9 HYPOTHESIS 2 11 Mean 12 Median 13 Grouped Frequency Tables 13 Histograms 14 Cumulative Frequency 16 Stem and Leaf Diagram 17 Relative Frequency 18 HYPOTHESIS 3 19 Range 19 Sample Standard Deviation 19 CONCLUSION 22 INTRODUCTION For this investigation, I was given a collection of data with 328 records. These records were of students with certain details about themselves. These details included: - Mathematics Set - Height (cm) - Weight (kg) - Shoe size - Hand span size I realized that this database containing 328 records of students was too large to work with. Therefore I decided to create a sample of this database using the stratified sampling method. Stratified Sampling Method Firstly, I counted the total number of male and female students in each math's set. I used a tally chart to help me with this: Math's Set Male Female Red Mauve Blue Green I then counted each tally to receive the following numbers: Red: 58 male, 65 female Mauve: 31 male, 40 female Blue: 53 male, 63 female Green: 12 male, 5 female Once I finished counting the number male and female students from each math's set, I added up all my...

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