As a university instructor, charts are very useful to show statistical analysis of test scores to students. Students are always interested in how they scored compared to the whole class or where their score landed in the overall scheme of things. Which type of statistics would be most useful for comparisons? Which type of chart would be best to show the comparison of grades? How do charts help protect the privacy of individual grades?

A computer makes a decision based on the findings of a data comparison. Explain?

What other data science tool are available besides the ones mentioned in class?

Where does testing fit into BC/DR preparation? Can you tell me how many various tests there are?

If you're looking to transform data, you may do it in a variety of ways, from altering the way the data is displayed to combining data from a variety of sources. Do you believe this to be the case?

You are creating a learning system for estimating the quality of a product based on written reviews. You train the system by looking at databases of reviews that include numerical ratings. Assume that there is not any missing data, and the ratings are all on the same scale. You use a bag of words technique and associate word frequencies with ratings. When you test your system, it has extremely poor results. What are some factors which may be influencing this?

Explain how Logistic Regression works. Note: Please do it with your own words. Thankyou

Make sure to explain the difference between Data Driven Testing and Retesting.