- 1 The Following Data Represents The Ages Of 15 Randomly Selected Participants For A Study Use Excel Or Ti Calculator 1 (30.35 KiB) Viewed 60 times
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YOU
1. The following data represents the ages of 15 randomly selected participants for a study. (Use Excel or TI Calculator to answer the following questions) participant age 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 58 28 22 17 19 26 27 23 29 38 24 25 28 32 19 Perform the following summary analysis: a. Calculate the min, max and range. b. Calculate the mean and median. c. Compare the mean to the median, what does this comparison tell you about the shape of the distribution for age.
d. If the standard deviation for the data is S = 9.96, what does this value tell you? e. Compute the first, second and third quartile for the data. f. What is the difference between calculating an inclusive quartile or an exclusive quartile? Explain. g. Compute the interquartile range (IQR) and explain what information you get from the IQR. h. Compute the upper and lower fence. i. Can any of the data values be considered outliers? If so, which ones?
j. Sketch a boxplot of the data and label it appropriately.