45 specimens of a certain type of powder were analyzed for sulfur trioxide conte

Question

45 specimens of a certain type of powder were analyzed for sulfur trioxide content. Following are the results, in percent. The list has been sorted into numerical order. 14.2 14.3 14.3 14.3 14.4 14.4 14.4 14.4 14.6 14.7 14.7 14.8 14.8 14.8 14.8 14.9 15. 15. 15.2 15.3 15.3 15.4 15.4 15.5 15.6 15.7 15.7 15.9 15.9 16.1 16.2 16.4 16.4 16.5 16.6 17.2 17.2 17.2 17.2 17.3 17.3 17.8 20.1 21.9 22.4 (a) Construct a stem-and-leaf plot for these data. (b) Construct a histogram for these data. (c) Construct a dotplot for these data (d) Construct a boxplot for these data. How many outliers does the boxplot show? Solution

Explanation / Answer

(A)Stem-and-Leaf Display: Sulphur Trioxide

Stem-and-leaf of Sulphur Trioxide N = 45
Leaf Unit = 0.10

8   14 23334444
16 14 67788889
(7) 15 0023344
22 15 567799
16 16 1244
12 16 56
10 17 222233
4   17 8
3   18
3   18
3   19
3   19
3   20 1
2   20
2   21
2   21 9
1   22 4

(c)

(D)

The above box plot shows 3 outliers.

(B)

Related Questions

Navigate

• Browse (All)
• Browse 4
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.