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.

Choose the highest level of measurement.Marital status of school board members

In the following statement, tell whether descriptive or inferential statistics have been used.Experts say the number of home foreclosures will continue to rise.

Choose the highest level of measurement.Horsepower of race car engines

I understand that I am only allowed to use the TI-30XIIS scientific calculator (or similar) for this course. I understand that I MUST show my calculator to the camera when taking a proctored exam

Based on the information in the previous question, if a Callipyge ram is bred to a Callipyge ewe, what is the probability of producing Callipyge offspring?