The book cost (in dollars) for one semesters books are given ...

[jCorn1234]

The book cost (in dollars) for one semesters books are given below for a sample of five college students. Calculate the sample variance of the book costs. 200, 130, 400, 500, 345
 
  A) 22,450.00 B) 149.83 C) 370.00 D) 315.00

Question 2

Mark retired from competitive athletics last year. In his career as a sprinter he had competed in the 100 -meters event a total of 328 times. His average time for these 328 races was 10.25 seconds.
 
  A) parameter B) statistic

[blakcmamba]

Answer to Question 1

A

Answer to Question 2

A

[jCorn1234]

Excellent

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Thanks for the timely response, appreciate it