A group of construction technicians were asked to find the crushing strengths (unit: N/mm2) of 20 concrete cubes. The observations were recorded below: 39 42 26 33 22 25 40 37 27 28 34 33 33 32 32 31 30 30 29 35 a. Form a frequency distribution table having 7 dasses for the data above. b. Find the mean for the grouped data. c. Draw histogram and ogive to represent the data. d. Estimate the mode and median for the above statistical data and interpret it.
A group of construction technicians were asked to find the crushing strengths (unit: N/mm2) of 20 concrete cubes. The observations were recorded below: 39 42 26 33 22 25 40 37 27 28 34 33 33 32 32 31 30 30 29 35 a. Form a frequency distribution table having 7 dasses for the data above. b. Find the mean for the grouped data. c. Draw histogram and ogive to represent the data. d. Estimate the mode and median for the above statistical data and interpret it.
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![A group of construction technicians were asked to find the crushing strengths (unit: N/mm2) of 20 concrete
cubes. The observations were recorded below:
33
37
22
25
39
42
40
26
27
28
34
33
33
32
32
31
30
30
29
35
a. Form a frequency distribution table having 7 dasses for the data above.
b. Find the mean for the grouped data.
c. Draw histogram and ogive to represent the data.
d. Estimate the mode and median for the above statistical data and interpret it.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feccf8c96-ab03-4050-8abb-9ad70c67aff6%2Ffaeeab25-6956-4aaa-915e-9ee6a9b8b243%2F1g58n0o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A group of construction technicians were asked to find the crushing strengths (unit: N/mm2) of 20 concrete
cubes. The observations were recorded below:
33
37
22
25
39
42
40
26
27
28
34
33
33
32
32
31
30
30
29
35
a. Form a frequency distribution table having 7 dasses for the data above.
b. Find the mean for the grouped data.
c. Draw histogram and ogive to represent the data.
d. Estimate the mode and median for the above statistical data and interpret it.
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