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cumulative frequency polygon for Table...

Statistics QUESTION 1 a) Construct a “less than or equal” cumulative frequency polygon for Table 1. Table 1 Class Frequency 6 – 8 4 9 – 11 6 12 – 14 10 15 – 17 3 18 – 20 12 b) Based on Table 2, construct a frequency distribution table. Take 10 as a class

width and 50 as a lower limit. Table 2 51 64 76 52 84 72 60 56 88 56 64 72 60 64 76 56 68 84 57 60 88 60 86 60 84 68 60 72 64 64 72 88 72 64 88 60 60 84 68 72 QUESTION 2 Complete the Table 3 and calculate the mean, mode and standard deviation. Table 3 Class/Kelas

Midpoint/ Titik Tengah f f x f x2 1.8 – 2.5 2.6 – 3.3 3.4 – 4.1 4.2 – 4.9 5.0 – 5.7 5.8 – 6.5 2 4 6 13 8 3 Sum/Jumlah 36 QUESTION 3 Based on the data in Table 4, a) construct a frequency distribution. b) calculate mean, mode and median. Table 4 8.0 12.9 13.0

8.9 10.1 17.3 11.1 10.9 6.2 8.1 8.8 10.4 15.7 13.6 19.3 9.9 8.5 11.1 10.7 8.8 10.7 6.8 7.4 4.8 11.8 13.0 9.5 8.1 6.9 11.5 11.2 13.6 4.9 18.8 15.7 10.8 10.7 11.5 16.1 9.9 QUESTION 4 Table 5 Class Frequency 40 - 44 2 45 - 49 50 - 54 7 55 - 59 60 - 64 65 - 69

2 70 - 74 1 Given that the total frequency is 52. Based on Table 5, determine: a) the value of b) first quartile c) median d) third quartile e) inter-quartile range

width and 50 as a lower limit. Table 2 51 64 76 52 84 72 60 56 88 56 64 72 60 64 76 56 68 84 57 60 88 60 86 60 84 68 60 72 64 64 72 88 72 64 88 60 60 84 68 72 QUESTION 2 Complete the Table 3 and calculate the mean, mode and standard deviation. Table 3 Class/Kelas

Midpoint/ Titik Tengah f f x f x2 1.8 – 2.5 2.6 – 3.3 3.4 – 4.1 4.2 – 4.9 5.0 – 5.7 5.8 – 6.5 2 4 6 13 8 3 Sum/Jumlah 36 QUESTION 3 Based on the data in Table 4, a) construct a frequency distribution. b) calculate mean, mode and median. Table 4 8.0 12.9 13.0

8.9 10.1 17.3 11.1 10.9 6.2 8.1 8.8 10.4 15.7 13.6 19.3 9.9 8.5 11.1 10.7 8.8 10.7 6.8 7.4 4.8 11.8 13.0 9.5 8.1 6.9 11.5 11.2 13.6 4.9 18.8 15.7 10.8 10.7 11.5 16.1 9.9 QUESTION 4 Table 5 Class Frequency 40 - 44 2 45 - 49 50 - 54 7 55 - 59 60 - 64 65 - 69

2 70 - 74 1 Given that the total frequency is 52. Based on Table 5, determine: a) the value of b) first quartile c) median d) third quartile e) inter-quartile range

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