Question: a) Enter the following command in R to read a simple help page about the length() command: ?length What does the length function tell you?

a) Enter the following command in R to read a simple help page about the length() command:

?length

What does the length function tell you?

b) Read section 3.4 about Measures of the Spread of Data. Give a rough description of what variance is (we will go into more detail in the next few weeks).Include an A.P.A citation

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