Using rstudio

Use the following stock price data (in dollars) for the following exercises 10 7 20 12 75 15 9 18 4 12 8 14 1.

1.) Find the min-max normalized stock price for the stock worth $20.

2.) Compute the Z-score standardized stock price for the stock worth $20.

3.) Explain why data analysts need to normalize their numeric variables.

4.) Describe three characteristics of the standard normal distribution.

5.) Do the following:

a. Identify the outlier.

b. Verify that this value is an outlier, using the Z-score method.

c. Verify that this value is an outlier, using the IQR method.

6). Identify all possible stock prices that would be outliers, using:

a. The Z-score method.

b. The IQR method.

7). Investigate how the outlier affects the mean and median by doing the following:

a. Find the mean score and the median score, with and without the outlier.

b. State which measure, the mean or the median, the presence of the outlier affects more, and why.