4. Below is a frequency distribution of scores in statistics examination taken by 55 teachers education students. Class interval/ Class limits frequency 114 118 109 113 104 108 99 103 94 98 89 93 3 4. 5 9. 84 88 12 79 - 83 8. 74 78 69 - 73

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please answer number 4
64 68
59 - 63
Total
Compute for the Mean using the two methods.
225
Transcribed Image Text:64 68 59 - 63 Total Compute for the Mean using the two methods. 225
roblem set # 3
A. Solve the following as indicated. Solutions are needed.
1. Ten measurements in centimeters of the diameter of an iron ring were
taken and recorded as
4.09
3.92
4.03
3.95
3.86
3.96
4.01
3.99
3/87
4.02
Find the arithmetic mean.
2. A student was taking six subjects in college during a semester. His final
grades were indicated below:
Subjects
Mathematics
Grades
1.75
Weights
3.
2.50
3
History
Physics
English
Speech
P.E
2.25
5
1.25
3
1.50
2.50
1.5
a) find the weighted average
b) If equal weights are given, what is its average grade?
3. Compute the mean, median, and mode of the following.
a) 52, 53, 54, 55, 55, 56, 57, 57, 57, 59, and 60
b). 19, 20, 20, 21, 21, 21, 23, 24, 25, 25, 27, 28, 28, and 30.
c) 37, 37, 37, 38, 39, 40, 41, 42, 43, 43, 45, 45, 45, 47, and 50.
4. Below is a frequency distribution of scores in statistics examination
taken by 55 teachers education students.
Class interval/
frequency
Class limits
114 118
109 - 113
104 - 108
99 - 103
1
3
4.
94 - 98
89 - 93
84 - 88
6.
12
79 - 83
74 - 78
8.
69 - 73
Transcribed Image Text:roblem set # 3 A. Solve the following as indicated. Solutions are needed. 1. Ten measurements in centimeters of the diameter of an iron ring were taken and recorded as 4.09 3.92 4.03 3.95 3.86 3.96 4.01 3.99 3/87 4.02 Find the arithmetic mean. 2. A student was taking six subjects in college during a semester. His final grades were indicated below: Subjects Mathematics Grades 1.75 Weights 3. 2.50 3 History Physics English Speech P.E 2.25 5 1.25 3 1.50 2.50 1.5 a) find the weighted average b) If equal weights are given, what is its average grade? 3. Compute the mean, median, and mode of the following. a) 52, 53, 54, 55, 55, 56, 57, 57, 57, 59, and 60 b). 19, 20, 20, 21, 21, 21, 23, 24, 25, 25, 27, 28, 28, and 30. c) 37, 37, 37, 38, 39, 40, 41, 42, 43, 43, 45, 45, 45, 47, and 50. 4. Below is a frequency distribution of scores in statistics examination taken by 55 teachers education students. Class interval/ frequency Class limits 114 118 109 - 113 104 - 108 99 - 103 1 3 4. 94 - 98 89 - 93 84 - 88 6. 12 79 - 83 74 - 78 8. 69 - 73
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