Where is the data? I'll start it for you.
Find the mean first = sum of scores/number of scores
Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.
Standard deviation = square root of variance
Instructions for the Experiment / Data Collection regarding questions 1-4: Collect data regarding the caffeine content in a 16oz cup of coffee. Collect the amount of caffeine in 20 different brands of coffee.
1.Calculate the following descriptive statistics corresponding to the data you collected regarding caffeine content in a 16oz cup of coffee.
a) Mean
b) Median
c) Mode
d) Range
e) Standard Deviation
f) Variance
g) Q1
h) Q3
1 answer