Based on the following information provide the answers to the corresponding questions. A survey of a random sample of 104 nurses working at Addington hospital were asked how many years they had been working in the profession. Their answers were as follows: for < = 2 years there were 5 nurses, for 3 years 8 nurses, for 4 years 5 nurses, for 5 years 10 nurses, for 6 years 9 nurses, for 7 years 13 nurses, for 8 years 12 nurses, for 9 years 7 nurses, for 10 years 12 nurses, for 11 years 8 nurses, for 12 years 10 nurses, and for 14 years 5 nurses. 2.1.Set up a frequency distribution with 7 classes and the following headings: number of years, frequency, relative frequency, cumulative relative frequency. 2.2.Construct a frequency histogram and a smoothed frequency polygon. 2.3.Discuss the skewness of the distribution.
QUESTION 2
Based on the following information provide the answers to the corresponding questions. A survey
of a random sample of 104 nurses working at Addington hospital were asked how many years they
had been working in the profession. Their answers were as follows: for < = 2 years there were 5
nurses, for 3 years 8 nurses, for 4 years 5 nurses, for 5 years 10 nurses, for 6 years 9 nurses, for 7
years 13 nurses, for 8 years 12 nurses, for 9 years 7 nurses, for 10 years 12 nurses, for 11 years 8
nurses, for 12 years 10 nurses, and for 14 years 5 nurses.
2.1.Set up a frequency distribution with 7 classes and the following headings: number of years,
frequency, relative frequency, cumulative relative frequency.
2.2.Construct a frequency histogram and a smoothed frequency
2.3.Discuss the skewness of the distribution.
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