Which of the following is used for statistical inference a. F obt b t obt c. r o

Question

Which of the following is used for statistical inference a. F obt b t obt c. r obt d. all of the above In an experiment a research psychologist has his subjects memorize short words. Half of the subjects do the memory task with music playing, the other half do it with no music playing. The independent variable is a. music (music playing or music not playing) b. the number of words remembered c. the research psychologist (his status as a professional) d. the research subjects Regarding problem 2, the dependent variable is a. music (music playing or music not playing) b. the number of words remembered c. the research psychologist d. the research subjects What is the scale of measure for the variable "number of points on the assignments in this course?" a. nominal b. ordinal c. interval d. ratio A cumulative graph a. can, at times, parallel the X-axis b. can never slope downward c. can be drawn when data are quantitative d. all of the above

Explanation / Answer

1. Option D is correct.

2. Option A is correct.

3. Option B is correct.

4. Option D is correct.

5. Option D is correct.

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