The following is not a measure of dispersion:

a. Mean
b. Range
c. Variance
d. Standard deviation


a

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A child is most contagious during the:

A. incubation stage B. prodromal stage C. convalescent stage D. acute stage

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Report writing is particularly challenging

a. because informational texts are unavailable in schools. b. because it is developmentally inappropriate for elementary students. c. for students who use the process approach. d. because of its non-narrative structure.

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Is it important to follow up on those persons in a survey who did not return questionnaires mailed to them?

A. Yes, because descriptive statistics require a large sample. B. Yes, because the sample that has already returned the questionnaire may be biased. C. No, because such delayed returns would be of doubtful value. D. No, because high precision is not needed in questionnaire surveys.

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Describe the stages in the writing process. Should a teacher check spelling at each stage of the process?

What will be an ideal response?

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