Question

# Part A (Items #1 and #12 are required but not graded)

You will submit one file, a Word document. Please

limit each response to 250 words or less. Name the file in the following format: lastnamefirstinitialBTM8107-1.doc (example: smithbBTM8107-1.doc).

- Briefly describe your area of research interest (1-3 sentences is sufficient).
- List 4 variables that you might assess in a research project related to your research area.
- List one for each type of measurement scale: Nominal, ordinal, interval, and ratio. If you
- cannot think of a variable for each measurement scale, explain why the task is difficult.
- Create one alternate hypothesis and its associated null hypothesis related to your research
- area.
- Briefly describe whether you think your area of interest is more conducive to
- experimental or correlational research. What are the costs/benefits of each as it relates to
- your research area?
- Reliability vs. Validity. Considering your area of research interest, discuss the importance
- of reliability and validity. Can you have one without the other? Why or why not?
- Sample vs. Population. Considering your area of research interest, describe the difference
- between a sample and population. Why is it important to understand the difference
- between a sample and population in a statistics course?
- Measures of Central Tendency. Below is a set of data that represent weight in pounds for
- a particular sample. Calculate the mean, median and mode. Which measure of central tendency best describes this data and why? You may use Excel, SPSS, some other software program, or a hand calculator for this problem.
- 110.00
- 117.00 120.00 118.00 104.00 100.00 107.00 115.00 115.00 115.00 114.00 100.00 117.00 115.00 103.00 105.00

WEEK 1 ASSIGNMENT PART A 3

110.00 115.00 250.00 275.00

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