Question: Use the mean ( ) function to find average charge. ######### Make it an object named avg and print the result ######### in a single

Use the mean() function to find average charge.
######### Make it an object named avg and print the result
######### in a single line of code.Find the standard error for the average charges
######### using the standard deviation and nrow() functions.
######### Make it an object named se and print the result
######### in a single line of code.

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