Statistical Investigation | |
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A step-by-step guide | |
Identifying the Steps | Ex 1 Ex 2 Ex 3 Ex 4 Ex 5 |
Stating the Problem | |
Population | |
Finding Population | Ex 6 Ex 7 Ex 8 Ex 9 |
Data | |
Sorting Data Types | Ex 10 Ex 11 Ex 12 Ex 13 Ex 14 Ex 15 |
Collecting Data | |
Sampling | |
Choosing Census or Survey | Ex 16 Ex 17 Ex 18 Ex 19 |
Statistical Error in Sampling | |
Spotting Statistical Slip-Ups | Ex 20 Ex 21 Ex 22 Ex 23 Ex 24 Ex 25 Ex 26 |
Descriptive Statistics | |
A Statistic | |
Spotting Statistics | Ex 27 Ex 28 Ex 29 Ex 30 Ex 31 Ex 32 |
Relative Frequency | |
Calculating Relative Frequencies with 2 categories | Ex 33 Ex 34 Ex 35 Ex 36 |
Calculating Relative Frequencies | Ex 37 Ex 38 Ex 39 Ex 40 |
Central Tendency | |
Finding the Mode | Ex 41 Ex 42 Ex 43 Ex 44 |
Calculating a Mean | Ex 45 Ex 46 Ex 47 Ex 48 |
Calculating a Median | Ex 49 Ex 50 Ex 51 Ex 52 |
Dispersion | |
Calculating a Range | Ex 53 Ex 54 Ex 55 Ex 56 |
Calculating a Interquartile Range | Ex 57 Ex 58 Ex 59 Ex 60 |
Calculating a Standard Deviation | Ex 61 Ex 62 Ex 63 Ex 64 |
Organizing and Displaying Data | |
Visualizing frequencies | |
Understanding Pie Charts and Bar Charts | Ex 65 Ex 66 Ex 67 Ex 68 |
Visualizing Central Tendency and Dispersion | |
Plotting box plots | Ex 69 Ex 70 Ex 71 Ex 72 |
Understanding Box Plots | Ex 73 Ex 74 Ex 75 Ex 76 |
Interpreting the Statistics | |
Reading and Comparing Data | |
Interpreting Relative Frequency | Ex 77 Ex 78 Ex 79 Ex 80 |
Interpreting Relative Frequency | Ex 81 Ex 82 Ex 83 Ex 84 |
Comparing using Pie Charts | Ex 85 Ex 86 Ex 87 Ex 88 |
Comparing using Central Tendencies | Ex 89 Ex 90 Ex 91 Ex 92 |
Interpreting Central Tendency | Ex 93 Ex 94 Ex 95 Ex 96 |
Comparing Central Tendency and Dispersion | Ex 97 Ex 98 Ex 99 Ex 100 Ex 101 |
Comparing Central Tendency and Dispersion | Ex 102 Ex 103 Ex 104 Ex 105 Ex 106 |
Interpreting Box Plot | Ex 107 Ex 108 Ex 109 Ex 110 |
Comparing Box Plots | Ex 111 Ex 112 Ex 113 |