Chapter 1.3

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A student entering a doctoral program in educational psychology is required to select three courses from the list of courses provided as part of his or her program List all possible three​-course selections. EPR 617,616,665

617,616,663 616,665,663 617,632,665 617,632,663 617,665,663 632,665,663 616,632,665

Define Frame

A frame is a list of the individuals in the population being studied.

define Random sample

A sample of size n from a population of size N is obtained through simple random sampling if every possible sample of size n has an equally likely chance of occurring. The sample is then called a simple random sample. To obtain a simple random​ sample, typically, each individual in the population is assigned a unique number between 1 and​ N, where N is the size of the population. Then n distinct random numbers from this list are​ selected, where n represents the size of the sample. To number the individuals in the​ population, one needs a​ frame—a list of all the individuals within the population.

As part of a college literature​ course, students must read three classic works of literature from the provided list. Write a short description of the processes that can be used to generate a simple random sample of three books. Obtain a simple random sample of size 3 from this list. Which of the following would produce a simple random​ sample? Select all that apply

Number the books from 1 to 9 and use a random number generator to produce 3 different numbers from 1 to 9 that correspond to the books selected. List each book on a separate piece of​ paper, place them all in a​ hat, and pick three.

What does it mean when sampling is done without replacement?

Once an individual is​ selected, the individual cannot be selected again.

A student entering a doctoral program in educational psychology is required to select three courses from the list of courses provided as part of his or her program;EPR 617,616,665

There is a 1 in 10 chance that these courses will be selected


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