Formal and Non Formal Education

CHAPTER 2

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4.
|City |Frequency |Relative |Or Relative Frequency |
| | |Frequency |(%) |
|Indianapolis |100 |0.050 |5.0 |
|St. Louis |450 |0.225 |22.5 |
|Chicago |1300 |0.650 |65.0 |
|Milwaukee |150 |0.075 |7.5 |
|Total |2000 |1.000 |100.0 |

5. a. A frequency table. b. [pic]

c.

| |Frequencies |Relative Frequencies (%) |
|White |130 |10.0 |
|Black |104 |8.0 |
|Lime |325 |25.0 |
|Orange |455 |35.0 |
|Red |296 |22.0 |
|Total |1300 | 100.0 |

[pic]

d. 350,000 orange; 250,000 lime; 220,000 red; 100,000 white, and 80,000 black, found by multiplying relative frequency by 1,000,000 production.

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10. a. 25 = 32, 26 = 64 > 53 suggests 6 classes. b. [pic] Use interval of 15 and start first class at 40.

12. a. 24 = 16, 25 = 32 > n = 20, suggest 5 classes b. [pic] Use interval of 10. c. 50 d. f Relative frequency 50 up to 60 4 0.20 60 up to 70 5 0.25 70 up to 80 6 0.30 80 up to 90 2 0.10 90 up to 100 3 0.15 Total 20 1.00 e. The fewest number is about 50, the highest about 100. The greatest concentration is in classes 60 up to 70 and 70 up to 80.

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15. The following table is