每日一练 | Data Scientist & Business Analyst & Leetcode 面试题 368

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DS Interview Question

What’s the differences between the poission distribution and normal distribution?

BA Interview Question

How do you avoid scope creep?

LeetCode Question

Valid Palindrome

Description:

Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.

Input: “A man, a plan, a canal: Panama”

Output: true

DS Interview Question & Answer

Define: quality assurance, six sigma.

Answer:

Quality assurance:

- A way of preventing mistakes or defects in manufacturing products or when delivering services to customers

- In a machine learning context: anomaly detection

Six sigma:

- Set of techniques and tools for process improvement

- 99.99966% of products are defect-free products (3.4 per 1 million)

- 6 standard deviation from the process mean

BA Interview Question & Answer

Can You Provide Us Suggestions for an Effective Use Case Model?

Answer: