Formal and Non Formal Education
CHAPTER 2
Page 28
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.
Page 35
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.
Page 41
15. The following table is
Page 28
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.
Page 35
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.
Page 41
15. The following table is