Normalizing student grades against median
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Identity Matrix
Friday, April 23, 2021
Data Interview Qs Identity Matrix Python Data Structures Arrays Matrix Can you build a function that prints an identity matrix, given the identity matrix size? Examples: Input: 2 Output: 1 0 0 1 Input:
Animal weights
Wednesday, April 21, 2021
Data Interview Qs Animal weights SQL Database Querying Suppose you're given the below tables, containing animal weights, as well as a directory of zoos: Table name: animal_weights animal_ID
Parking space probabilities
Monday, April 19, 2021
Data Interview Qs Parking space probabilities Data Analysis Python Pandas External Dataset Data Manipulation Data Visualization Statistics Probability Mass Function Suppose you're analyzing the
Sorting algorithm
Wednesday, April 14, 2021
Data Interview Qs Sorting algorithm Python Algorithms Given the following Python function, write out what the output would be at each stage: n = 1 while n < 3: m = n + 1 while m < 4: m += 1 print
Avg. sales by location in SQL
Monday, April 12, 2021
Data Interview Qs Avg. sales by location in SQL SQL Database Querying You are given the below tables, showing Store, Product, and Sales information for a chain of grocery stores. The columns are
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