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Refer to problem 29. The cumulative frequencies, in order, are:

Choose the highest level of measurement.Ages of children enrolled in a daycare.

Classify the following variable as discrete or continuous.The number of pizzas sold by Pizza Pasta in the last month.

Suppose that , and is continuous.  Which of the following would guarantee that is a local minimum value of

Identify the sample by naming the sampling technique used.Survey five friends regarding their opinion of the student cafeteria.

You are designing an aquarium in the shape of a rectangular prism. The base is square (with side length feet), and the volume must be 400 cubic feet. The material for the top and bottom costs $10 per square foot, and the glass for the sides costs $4 per square foot. What is the total cost (in dollars) of the box in terms of the length of  the base length ?    

Identify the sample by naming the sampling technique used.Divide the users of the computer online service Internet into different age groups and then select a random sample from each age group to survey about the amount of time they are connected to the internet each month.

Refer to problem 34. The frequencies, in order, are:

A random sample of 30 computer outlet stores were selected in the New York area and the price of a More Joy joystick was checked at each store. The results to the nearest dollar follow:78, 65, 92, 100, 99, 63, 82, 87, 91, 95, 102, 73, 69, 75, 86, 94, 97, 112, 115, 76, 89, 96, 94, 69, 70, 72, 80, 100, 90, 74Make a frequency table using five classes. The classes are:

Classify the following as being observational or experimentalA survey of Americans was conducted to determine how many soft drinks they consumed each day.