Below is a time series graph for monthly closing price of 3M Dental Products stock (beginning June 2005). a. Are the closing prices for shares of 3M Dental Products from June 2005 through August 2007 stationary? Explain.
b. Would a histogram provide a good summary of these stock prices? Explain.

Question

Below is a time series graph for monthly closing price of 3M Dental Products stock (beginning June 2005).  a. Are the closing prices for shares of 3M Dental Products from June 2005 through August 2007 stationary? Explain.
b. Would a histogram provide a good summary of these stock prices? Explain.

Quizplus · Accepted Answer

The Answer of Below is a time series graph for monthly closing price of 3M Dental Products stock (beginning June 2005).  a. Are the closing prices for shares of 3M Dental Products from June 2005 through August 2007 stationary? Explain.
b. Would a histogram provide a good summary of these stock prices? Explain.

Below Is a Time Series Graph for Monthly Closing Price