What is the first and most important step in summarizing data? ...

[gbarreiro]

What is the first and most important step in summarizing data?
 a. calculating an average
 
  b. determine the probability
 
  c. drawing pictures
 
  d. determine the variability

Question 2

Correlation between two random input variables might not change the mean of an output, but it can definitely affect the variability and shape of an output distribution.
 a. True
  b. False
   Indicate whether the statement is true or false

[Bison]

Answer to Question 1

c

Answer to Question 2

TRUE

[gbarreiro]

Wow, this really help

[kishoreddi]

Thanks for the timely response, appreciate it