# Question

Ford and Torok (2008) found that motivational signs were effective in increasing physical activity on a college campus. Signs such as "Step up to a healthier lifestyle" and "An average person burns 10 calories a minute walking up the stairs" were posted by the elevators and stairs in a college building. Students and faculty increased their use of the stairs during times that the signs were posted compared to times when there were no signs.

a. Identify the independent and dependent variables for this study.

b. What scale of measurement is used for the independent variable?

a. Identify the independent and dependent variables for this study.

b. What scale of measurement is used for the independent variable?

## Answer to relevant Questions

For the following scores, find the value of each expression: Use summation notation to express each of the following calculations: a. Add 1 point to each score, and then add the resulting values. b. Add 1 point to each score and square the result. Then add the squared values. c. Add ...Sketch a histogram showing the distribution of scores shown in the following table: Construct a frequency distribution table for the following set of scores. Include columns for proportion and percentage in your tables. Describe the difference in appearance between a bar graph and a histogram and identify the circumstances in which each type of graph is used.Post your question

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