MAT 142 4.2 Measures of Central Tendency

# MAT 142 4.2 Measures of Central Tendency

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Age (x)            Frequency (f)

17                           2

18                           4

19                           7

20                           6

21                           2

22                           3

25                           2

26                           3

32                           1

Total

1. Consider the frequency distribution of freshman in a mathematics class.

a. Find the Mean ( x )

b. Find the median

c. Find the Mode(s)

d. Find the 5 number summary

1. A pair of identical twins joined the class in part (1). When their ages are added, the mean age in

the class is 21.16 years. How old are the twins?

MAT 142

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Excerpt from file: Math Tutorial MAT 142 Problem set Unit: Statistics Topic: Measures of Central Tendency Directions: Solve the following problems. Please show your work, use proper notation and explain your reasoning. Age (x) 17 18 19 20 21 22 25 26 32 Total Frequency (f) 2 4 7 6 2 3 2 3 1 1. Consider the frequency

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