A quality control scientist was interested to study the actu…

A quality control scientist was interested to study the actual amount of soda (in ounces) in a standard 12-oz can.  He analyzed a random sample of 24 such cans.  The following numerical summaries were computed.  Which of the following is the proper interpretation of the median (in the context of the problem)?

A survey of 80 families showed that 48 had vehicles with an…

A survey of 80 families showed that 48 had vehicles with an automatic transmission, 37 had vehicles with a sunroof, and 19 had vehicles with both and automatic transmission and a sunroof. How many families had vehicles with an automatic transmission or a sunroof?

The Registrar’s Office collected the following information a…

The Registrar’s Office collected the following information about the number of students enrolled in mathematics classes during a semester. Class Algebra Finite Mathematics Statistics Total Freshman 61 19 29 109 Sophomore 27 41 13 77 Junior 11 9 17 37 Total 95 69 59 223 Use this Information for Problems 18 and 19.

The amounts of coffee dispensed from the vending machine fol…

The amounts of coffee dispensed from the vending machine follow a bell-shaped symmetric distribution.  In a sample of 50 cups of coffee dispensed from the vending machine, the mean amount dispensed was 7.6 ounces with a standard deviation of 0.2 ounces. Which of the following is true?