Values of modulus of elasticity (MOE, the ratio of stress, i.e., force per unit area, to strain, i.e., deformation per unit length, in GPa) and flexural strength (a measure of the ability to resist failure in bending, in MPa) were determined for a sample of concrete beams of a certain type, resulting in the following data (read from a graph in the article 'Effects of Aggregates and Microfillers on the Flexural Properties of Concrete"+). 29.8 33.2 33.7 35.3 35.5 36.1 36.2 36.3 37.5 37.7 38.7 38.8 39.6 41.0 Strength 5.9 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 stem MOE MOE 42.8 42.8 43.5 45.6 46.0 46.9 48.0 49.3 51.7 62.6 69.8 79.5 80.0 7.4 7.7 9.7 7.8 7.7 11.6 11.3 11.8 10.7 Strength 8.2 8.7 7.8 9.7 (a) Construct a stem-and-leaf display of the MOE values. (Round each value down to the nearest whole number. Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values. Split the stems, placing leaves 0 to 4 on the first stem and leaves 5 to 9 on the second stem of the same value. Use the tens digit as the stem and the ones digit as the leaf.) 2 NONE leaf

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Comment on any interesting features. (Select all that apply.)
O There is a reasonably large amount of variation in the data.
There is some positive skew in the data.
There is a small amount of variation in the data.
O There are some potential outliers.
☐ There is some negative skew in the data.
X
Transcribed Image Text:Comment on any interesting features. (Select all that apply.) O There is a reasonably large amount of variation in the data. There is some positive skew in the data. There is a small amount of variation in the data. O There are some potential outliers. ☐ There is some negative skew in the data. X
Values of modulus of elasticity (MOE, the ratio of stress, i.e., force per unit area, to strain, i.e., deformation per unit length, in GPa) and flexural strength (a measure of the
ability to resist failure in bending, in MPa) were determined for a sample of concrete beams of a certain type, resulting in the following data (read from a graph in the article
"Effects of Aggregates and Microfillers on the Flexural Properties of Concrete"+).
stem
29.8 33.2 33.7 35.3 35.5 36.1 36.2 36.3 37.5 37.7 38.7 38.8 39.6 41.0
Strength 5.9 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
MOE
MOE
42.8 42.8 43.5 45.6 46.0 46.9 48.0 49.3 51.7 62.6 69.8 79.5 80.0
Strength 8.2 8.7 7.8 9.7
7.4 7.7 9.7 7.8 7.7 11.6 11.3 11.8 10.7
(a) Construct a stem-and-leaf display of the MOE values. (Round each value down to the nearest whole number. Enter numbers from smallest to largest separated by
spaces. Enter NONE for stems with no values. Split the stems, placing leaves 0 to 4 on the first stem and leaves 5 to 9 on the second stem of the same value. Use the
tens digit as the stem and the ones digit as the leaf.)
3
2 NONE
2 NONE
3 034
566668899
4 01334
4 66789
leaf
5 2
X
X
X
X
X
X
Transcribed Image Text:Values of modulus of elasticity (MOE, the ratio of stress, i.e., force per unit area, to strain, i.e., deformation per unit length, in GPa) and flexural strength (a measure of the ability to resist failure in bending, in MPa) were determined for a sample of concrete beams of a certain type, resulting in the following data (read from a graph in the article "Effects of Aggregates and Microfillers on the Flexural Properties of Concrete"+). stem 29.8 33.2 33.7 35.3 35.5 36.1 36.2 36.3 37.5 37.7 38.7 38.8 39.6 41.0 Strength 5.9 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 MOE MOE 42.8 42.8 43.5 45.6 46.0 46.9 48.0 49.3 51.7 62.6 69.8 79.5 80.0 Strength 8.2 8.7 7.8 9.7 7.4 7.7 9.7 7.8 7.7 11.6 11.3 11.8 10.7 (a) Construct a stem-and-leaf display of the MOE values. (Round each value down to the nearest whole number. Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values. Split the stems, placing leaves 0 to 4 on the first stem and leaves 5 to 9 on the second stem of the same value. Use the tens digit as the stem and the ones digit as the leaf.) 3 2 NONE 2 NONE 3 034 566668899 4 01334 4 66789 leaf 5 2 X X X X X X
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