Simulate and store 500 observations of white noise. Using whatever name you gave these, suppose the name is “z,” run the functions acf(z), pacf(z), spec.pgram(z). This will produce three plots...

Simulate and store 500 observations of white noise.

Using whatever name you gave these, suppose the name is “z,” run the functions acf(z), pacf(z), spec.pgram(z). This will produce three plots associated with this simulated data (do not worry too much that you do not know what you are doing).