{ "name": "Descriptive Statistics", "order": 2, "challenges": [ { "id": "59a5801209a6acac5983b703", "title": "Data Graphs", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983b327", "title": "Quartiles and Percentiles", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983b328", "title": "Mean, Median, and Mode", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983b329", "title": "Variance and Standard Deviation", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }