Discussion question and respond to 2 other peoples posts.
Your Main Post:
Choose ONE of the interval variables from the student survey below. Gather the mean and sd for the variable you want to use:
Data tableVariableNMeanMedianModeRangesdHow many classes do you take a semester?7553.784491.09How many units do you take a semester?75611.611111153.09For how many semesters have you taken classes at LAVC?6744.5843 & 492.42How many times a day do you eat?7333.293381.14How much money per week do you spend on entertainment?668$31.04$20$0$500$42.03How much money per week do you spend on eating out?698$41.12$30$0$1,000$58.09To the nearest inch, what is your height?72665.09″65″62″84″4.85″On average, how many caffeinated drinks (tea, soda, coffee, ‘energy’) do you consume per day?7241.841191.28On average, how many hours of sleep do you get per night?7436.496691.15What year were you born?7021990.5119931994507.48
- Note: These are not normally distributed variables but we will assume so and use them for this practice. I included the median, mode, and range in case you wanted more practice opportunities for central tendency and variability…
Identify the variable and what your response (X) is (or would be) for that variable – for example, if you use caffeine – how many caffeine drinks do you have a day? That would be your response and your score (X)
Then, find your place in that distribution using your Z-score and Table A. Download Table A.To do that, calculate your Z-score and identify the percents above and below you. (Use the same procedures we use with the Z-Score worksheet and homework. Use the template Download templateif it helps keep you organized – but please post a typed version or an image in the discussion, not a link to a file.)
Post this information, including how you got your z-score, how you used the Table and Normal Curve, and what the percents tell you about where you are compared to others.
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