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

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

Choose the highest level of measurement.Ratings of television programs (poor, fair, good, excellent)

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

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.

Identify the sample by naming the sampling technique used.Take a sample of five Zip codes from the Chicago metropolitan region and use all the elementary schools from each of the Zip code regions. Determine the number of students enrolled in first grade in each of the schools selected.

Classify the following study as being observational or experimental.Give one group of people a diet supplement and another a placebo. After both groups have been on the same meal program for one month, compare the weight losses of both groups.

All highway bridges in the United States are inspected periodically for structural deficiency by the Federal Highway Administration. Data from the FHWA inspections are compiled into the National Bridge Inventory. Classify the following variable as quantitative or qualitative.Condition of deck (good, fair, or poor)

Refer to problem 29. Find the class midpoints.

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