Mathematics, 12.11.2020 16:30 kingk7368
Flexural strength is a measure of a material's ability to resist failure in bending. The accompanying data are on flexural strength of concrete (in MegaPascal, MPa, where 1 Pa (Pascal) = 1.45 cross 10❝4 psi):
5.7 7.2 7.3 6.3 8.1 6.8 7.0 7.6 6.8 6.5 7.0 6.3 7.9 9.0
8.2 8.7 7.8 9.7 7.4 7.7 9.7 7.8 7.7 11.6 11.4 11.8 10.9
(a) Construct a stem-and-leaf display of the data. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)
Stems Leaves
5
6
7
8
9
10
11
What appears to be a representative strength value?
MPa
Do the observations appear to be highly concentrated about the representative value or rather spread out?
1) highly concentrated around the representative value
2) spread out with a large range
(b) Does the display appear to be reasonably symmetric about a representative value, or would you describe its shape in some othe
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Flexural strength is a measure of a material's ability to resist failure in bending. The accompanyin...
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