Started: Sep 23 at 11:33am Quiz Instructions It will be a timed quiz of about 60 minutes duration. The quiz will released on September 20 and will be open for 4 days (September 20 - September 23) during which you can choose any 60 minutes slot for finishing your quiz. The quiz cannot be saved and resumed, it will have to be finished in one setting. It will be an open book open notes. Only calculators are allowed. Use of internet (except for accessing the quiz or class notes), using generative Al based tools, using R or Python or any other software to compute answer and discussing answers with your fellow classmates is NOT allowed. No retakes would be allowed for the quiz. Topics for the first quiz include all topics covered under Module 1 and Module 2 (no R/Python questions on the quiz) Question 11 1 pts One situation where principal components is not very helpful is when the covariance between the variables is zero, i.e. the variance-covariance matrix is a diagonal matrix, with off-diagonal entries as O. True False Previous Next No new data to save. Last checked at 12:01pm Submit Quiz