Green cover of Confidence Intervals. This practice exam is from 365 Data Science.

Confidence Intervals

Confidence Intervals refers to the probability of a population parameter falling between a range of certain values. In this free practice exam, you lead the research team at a portfolio management company with over $50 billion dollars in total assets under management. You are asked to compare the performance of 3 funds with similar investment strategies  and are given a table with the return of the three portfolios over the last 3 years. You will have to use the data to answer questions that will test your knowledge in confidence intervals. 

Iliya Valchanov
Co-founder of 365 Data Science
To attempt the exams please switch to a desktop device.

Who is it for

Anyone who is interested in working in the field of data science will have to know how to use statistical concepts like confidence intervals. Therefore, if you want to assess your statistics skills, then this free practice test is for you

How it can help you

Confidence intervals are used to evaluate the uncertainty in a sample variable and allow us to understand the likelihood that the results from statistical analyses are real or due to chance. This free practice test will test your skills in confidence intervals.

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Confidence Intervals