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Test & Compare Your Skills in Data Science

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What is the main purpose of a data warehouse?
If the price of a product increases by 25%, and then decreases by 20%, what is the overall percentage change?
A startup CEO realizes their team is struggling with stress. What action is best action to take?
Which algorithm is primarily used for classification problems?
What is the principle behind A/B testing?
If the mean of a dataset is 50 and the standard deviation is 5, what percentage of data lies within one standard deviation?
What is the difference between supervised and unsupervised learning?
Which programming language is most widely used in data science?
After a product launch failure, an entrepreneur has to address their team. What is the most emotionally intelligent approach?
What is a confusion matrix used for?
What is the boiling point of water in Celsius?
During a crisis, a manager makes a mistake in judgment. What’s the best action to take next?
What is the value of Pi to two decimal places?
How do you handle negative feedback?
What is cross-validation used for in machine learning?
Who invented the telephone?
How can a leader earn trust in a new group?
How do you handle an emotional teammate?
What is PCA (Principal Component Analysis) used for?
If a train leaves Station A at 60 mph and another train leaves Station B at 40 mph, how long will it take for them to meet if they are 200 miles apart?
What is the difference between a leader and a manager?
What is acrophobia a fear of?
An team member delivers a project with several mistakes. How would you address this?
What is the name of the Chinese philosophical system that emphasizes harmony with nature?
What is the purpose of coaching in leadership?
A colleague repeatedly interrupts you in meetings. What’s the best response?
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Data Science Skills Test

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The results of your test will be displayed here upon full completion of the test. It is up to you to decide whether you wish to share your results.

Become a Brighter mind with access to summaries and analysis of the most authoritative data science books, including:

Storytelling with Data: book summary and analysis
Statistical Rethinking book summary and analysis
The Book of Why book summary and analysis
Forecasting: book summary and analysis
Mining of Massive Datasets book summary and analysis
Designing Data-Intensive Applications book summary and analysis
Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow book summary and analysis
Linear Models with R book summary and analysis
... and many more books

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Learn on Brighter using your smartphone, tablet, or laptop starting at only $12. You can also acquire a Lifetime access for $89.

Brighter’s courses deliver exceptional value, offering short, impactful content at 85% less than comparable options on the market.

On Brighter, you can learn practical skills and strategies to accelerate your personal, professional and entreprenarial growth through expertly crafted, concise courses.

At Brighter, we don’t charge our members monthly because we believe too many of our competitors abuse this payment method. With Brighter, you will never encounter any unexpected charges.

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Got questions?

Brighter is a comprehensive platform offering a diverse range of book summaries and expert-led courses, resources, and tools designed to help you grow both personally and professionally.

You can explore as many books and courses as you want, whenever you want, without any interruptions—all for an affordable unique fee. There’s always something new to learn, with fresh content and resources added regularly to keep you inspired and on track!

Select “Lifetime” and then choose the number of users. If you need Brighter for more than 10 people, adjust the quantity. For example, for a team of 12, select “5 users” and set the quantity to “3.”

Learn on Brighter using your smartphone, tablet, or laptop starting at only $12. You can also acquire a Lifetime access for $89.

Brighter’s courses deliver exceptional value, offering short, impactful content at 85% less than comparable options on the market.

On Brighter, you can learn practical skills and strategies to accelerate your personal, professional and entreprenarial growth through expertly crafted, concise courses.

At Brighter, we don’t charge our members monthly because we believe too many of our competitors abuse this payment method. With Brighter, you will never encounter any unexpected charges.

Thanks to its members, Brighter allocates 10% of its resources to creating valuable free courses for those in need, including victims of crime, individuals experiencing parental alienation, those suffering from depression, and people grieving the loss of a loved one.