For a variable with = 3.50, how large should the sample be for a desired 95% confidence interval width of 1.50?

a. 9
b. 21
c. 84
d. 441


c. 84

Education

You might also like to view...

Answer the following statement(s) true (T) or false (F)

English language learners in the United States always receive an equal and adequate education.

Education

Joan Williams begins each of her biology classes by writing an outline on the board that identifies the topics to be covered in the day's lesson. As each is presented and discussed, she refers the students to the outline and what will be discussed next. Of the following, Joan's procedure best illustrates an attempt to utilize which of the following encoding strategies?

a. Elaboration b. Activity c. Organization d. Mnemonics

Education

Which mixed methods design is best represented by this characteristic: The mixed methods researcher collects quantitative data in the first sequence

a. Convergent parallel design b. Sequential explanatory design c. Sequential exploratory design d. Embedded design

Education

Which of the following expectations should NOT be included in the implementation of classroom rules?

a. The number of rules should not exceed 10. b. Rules should be stated in positive terms. c. Rules should be posted in the classroom. d. Demonstrate examples and nonexamples of the rules.

Education