Extra Credit Home Work
Please send me your R script before the class to be considered for the extra credit.
Instruction: there is a data set uploaded on Canvas called Q 2 . data , it is an excel file. You should
import it to your r studio, and answer following questions:
1. How many variables are in the data set?
2. What is the mean and variance of each variable?
3. What is the correlation and co variance between variables?
4. Can you put each variable in a distribution plot?
5. Can you provide the between the variables?
6. What is standard deviation and standard error of each variable?
7. Run a hypothesis testing checking if the average earning can be 60000?
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