SOLUTION AT Academic Writers Bay Assignment Questions: Explain observation and experimentation with help of an example. What are different sources of secondary data information? (2 Marks) What are the essential differences among nominal, ordinal, interval, and ratio scales? (1.5 Marks) Discuss Sample versus Census. Describe the differences between a probability sampling and a non-probability sampling. (2 Marks) 4.Distinguish between: (1.5 Marks) a.Direct and indirect questions b.Open ended and closed questions c.Research, investigative, and measurement questions. “CUSTOM PAPER” CLICK HERE TO GET A PROFESSIONAL WRITER TO WORK ON THIS PAPER AND OTHER SIMILAR PAPERS CLICK THE BUTTON TO MAKE YOUR ORDER