What is the optimal number of cluster based on this elbow curve? 

You rightly urge caution, and note that reverse causality may be driving the result. In one or two short sentences, explain with an example how (B) might be causing (A).  Note: answers should not be longer than 3 sentences.

Which of the above scatterplots shows a nonlinear relationship.

How can you solve that issue?

Given that the Mean = 80 and the Standard Deviation = 6, find the value that is two standard deviations below the mean.

Please make sure you are able to access the slides during this session.

Rank the following from lowest to highest energy: Infrared, Visible Light, Ultraviolet

As the wavelength of light decreases, its frequency:

A client presents to the emergency department who reports having a “racing” heart and feeling “anxious.” The nurse places the client on a heart monitor and obtains the following electrocardiographic (ECG) tracing. Which action should the nurse take next? sinus-rhythms3-tachycardia.jpeg

The nurse is caring for a patient admitted for a lower extremity VTE on a heparin drip. Which assessment data is priority for the nurse to collect?