A research engineer tried to collect data about the tensile strength of 50 steel bars in the laboratory. The data he collected is shown below. Compute the followings: Tensile Strength KN/mm2 18-22 23-27 28-32 33-37 38-42 43-47 48-52 5 15 Number of Bars 3 9 12 10 4 Xmean, Xmedian, Xmode, standard deviation (S.D.) and, C.V.?

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A research engineer tried to collect data about the tensile strength of 50 steel bars in
the laboratory. The data he collected is shown below. Compute the followings:
Tensile Strength
18-22
23-27 28-32
33-37
38-42
43-47
48-52
15
KN/mm2
Number of Bars
9
12
10
7
Xmean, Xmedian, Xmode, standard deviation (S.D.) and, C.V.?
Transcribed Image Text:A research engineer tried to collect data about the tensile strength of 50 steel bars in the laboratory. The data he collected is shown below. Compute the followings: Tensile Strength 18-22 23-27 28-32 33-37 38-42 43-47 48-52 15 KN/mm2 Number of Bars 9 12 10 7 Xmean, Xmedian, Xmode, standard deviation (S.D.) and, C.V.?
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