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5. The following is known about the weights of a sample of 31 people.


5.  The following is known about the weights of a sample of 31 people. 

Ex = 4870 

Ex2 = 808450 

a. Find SS 

b. Find s2 

c. Find s 

d. Find x̄ 


6. (extra bonus points) A traffic safety officer conducted an experiment to determine whether there is a correlation between people's ages and driving speeds. Six individuals were randomly sampled and the following data were collected.

math   Statistics-And-Probability   
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5.

a.

;

b.

c.

d.

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