MAT 142 4.3 Measures of Dispersion

# MAT 142 4.3 Measures of Dispersion

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1. Consider the following table of the ages of our first six presidents

Ages of the first 6 presidents at inauguration

Washington   57

Jefferson        57

Monroe          58

a. Find the mean of the data set

b. Find the standard deviation (showing all work)

c. How many of the presidents ages fall within one standard deviation of the mean?

2. Consider the following table of the ages of our last six presidents

Ages of the last 6 presidents at inauguration

Carter             52

Reagan           69

G. Bush           64

Clinton            46

GW Bush        54

Obama            47

a. Find the mean of the data set

b. Find the standard deviation (showing all work)

c. How many of the presidents ages fall within one standard deviation of the mean?

3. Consider the standard deviations you found in parts (1) and (2). Which standard deviation indicates more variation in the data set? Justify your answer.

MAT 142
dispersion measure

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Excerpt from file: Math Tutorial MAT 142 Problem set Unit: Statistics Topic: Measures of Dispersion Directions: Solve the following problems. Please show your work, use proper notation and explain your reasoning. 1. Consider the following table of the ages of our first six presidents Ages of the first 6 presidents at

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Excerpt from file: Runninghead:TEAMREFLECTIONWEEKONE TeamReflectionWeekOne ACC/290 1 TEAMREFLECTIONWEEKONE 2 TeamReflectionWeekOne Inordertounderstandaccounting,peoplemustfirstunderstandthefourfinancial statementsandwhatinformationeachrecordstodisplayacompanysfinances.Eachofthefour

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