Interview Question

How would you explain a p-value to a business person?

Explain Bayes theorem

What is the difference between bagging and boosting?

Explain bias-variance tradeoff

Explain p-value

Given an array nums of n integers, return an array of all the unique quadruplets [nums[a], nums[b], nums[c], nums[d]] such that: 0 <= a, b, c, d < n a, b, c, and dare distinct. nums[a] + nums[b] + nums[c] + nums[d] == target You may return the answer in any order

  Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.

Table: Person   +-------------+---------+ | Column Name | Type    | +-------------+---------+ | PersonId    | int     | | FirstName   | varchar | | LastName    | varchar | +-------------+---------+ PersonId is the primary key column for this table. Table: Address   +-------------+---------+ | Column Name | Type    | +-------------+---------+ | AddressId   | int     | | PersonId    | int ...

Table: Salary   +-------------+----------+ | Column Name | Type     | +-------------+----------+ | id          | int      | | name        | varchar  | | sex         | ENUM     | | salary      | int      | +-------------+----------+ id is the primary key for this table. The sex column is ENUM value of type ('m', 'f'). The table ...

Tell me about a time when you faced a challenge, how did you overcome it. How have you made someone outside your immediate social circle feel that they belong?".