Duestion: A contractor want to select a steel bars (diameter 16 mm) produced from two Eactories (A and B). The data below shows the results of tensile test; determine: 1. The mean and median. 2. Standard deviation and variance. Factory (A) Frequency (f) Factory (B) Frequency (f) Classes Classes 3. Find the percent of steel (325.5
Duestion: A contractor want to select a steel bars (diameter 16 mm) produced from two Eactories (A and B). The data below shows the results of tensile test; determine: 1. The mean and median. 2. Standard deviation and variance. Factory (A) Frequency (f) Factory (B) Frequency (f) Classes Classes 3. Find the percent of steel (325.5
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Question: A contractor want to select a steel bars (diameter 16 mm) produced from two
factories (A and B). The data below shows the results of tensile test; determine:
Factory (A)
Factory (B)
1. The mean and median.
2. Standard deviation and variance.
3. Find the percent of steel (325.5<X<425.5).
4. Select the better line.
Classes
Frequency (f)
Classes
Frequency (f.)
275.5-300.5
1
275.5-300.5
1
300.5-325.5
2.
300.5-325.5
1
5. Draw Polygon and Ascending Ogive.
325.5-350.5
4
325.5-350.5
1
350.5-375.5
6.
350.5-375.5
375.5-400.5
7.
375.5-400.5
13
400.5-425.5
9.
400.5-425.5
425.5-450.5
4.
425.5-450.5
450.5-475.5
2
450.5-475.5
1
475.5-500.5
1
475.5-500.5
1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa45555c5-5f7d-4ad2-883a-258cddbc7d6f%2Fb6008a97-013d-4234-b723-30cdb258152b%2Fzq44df_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question: A contractor want to select a steel bars (diameter 16 mm) produced from two
factories (A and B). The data below shows the results of tensile test; determine:
Factory (A)
Factory (B)
1. The mean and median.
2. Standard deviation and variance.
3. Find the percent of steel (325.5<X<425.5).
4. Select the better line.
Classes
Frequency (f)
Classes
Frequency (f.)
275.5-300.5
1
275.5-300.5
1
300.5-325.5
2.
300.5-325.5
1
5. Draw Polygon and Ascending Ogive.
325.5-350.5
4
325.5-350.5
1
350.5-375.5
6.
350.5-375.5
375.5-400.5
7.
375.5-400.5
13
400.5-425.5
9.
400.5-425.5
425.5-450.5
4.
425.5-450.5
450.5-475.5
2
450.5-475.5
1
475.5-500.5
1
475.5-500.5
1
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