Sample annuel salaries (in thousands of dollars) for publicand private elementar

Question

Sample annuel salaries (in thousands of dollars) for publicand private elementary school teachers are listed. Public teachers:    38.6, 38.1,38.7. 36.8, 34.8, 35.9, 39.9, 36.2 Private Teachers: 21.8, 18.4, 20.3, 17.6, 19.7, 18.3, 19.4,20.8 (a) Find the range. varience and standard deviation of eachdata set. (b) Interpret the results in the context of real-lifesetting. Please help me I am very confuse I do not know what todo. Sample annuel salaries (in thousands of dollars) for publicand private elementary school teachers are listed. Public teachers:    38.6, 38.1,38.7. 36.8, 34.8, 35.9, 39.9, 36.2 Private Teachers: 21.8, 18.4, 20.3, 17.6, 19.7, 18.3, 19.4,20.8 (a) Find the range. varience and standard deviation of eachdata set. (b) Interpret the results in the context of real-lifesetting. Please help me I am very confuse I do not know what todo.

Explanation / Answer

By sorting the data,
Public teachers:    34.8 35.9 36.2 36.8 38.1 38.638.7 39.9
Private Teachers: 17.6 18.3 18.4 19.4 19.7 20.3 20.821.8


So the min value for public teachers is 34.8, and max value is39.9.
So the min value for private teachers is 17.6, and max value is21.8.

(a) Find the range. varience and standard deviation of eachdata set.

For public teachers, the range is 39.9-34.8=5.1
variance=2.953571 (just put the data into the formula of variance,then you can get the value for variance)
standard deviation=1.718596


For public teachers, the range is 21.8-17.6=4.2
variance=1.988393
standard deviation=1.410104


(b) Interpret the results in the context of real-lifesetting. Public teachers get more salarie than private teachers. (a) Find the range. varience and standard deviation of eachdata set.

For public teachers, the range is 39.9-34.8=5.1
variance=2.953571 (just put the data into the formula of variance,then you can get the value for variance)
standard deviation=1.718596


For public teachers, the range is 21.8-17.6=4.2
variance=1.988393
standard deviation=1.410104


(b) Interpret the results in the context of real-lifesetting.

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

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