This output is based on the data set of Exercise 1 (Table 2) in the SPSS/win Primer. Please note the following:
This output is based on the data set of Exercise 1 (Table 2) in
the SPSS/win Primer. Please note the following:
1. The sample mean of employee salary is $39,540.00
2. The sample standard deviation of employee salary is $11,460.06
3. The values on the horizontal axis are the mid-point values for each class interval with a class size of $10,000.
4. The values on the vertical axis denote the number of employees; the height of each bar represents the number of employees that belong in that class interval. For instance, in the first class interval, two employees earn between $25,000 and $35,000; the mid-point salary is $30,000. These individuals are, respectively, the female employee with a BA degree and 4 years of experience, and the male employee with MBA and two years of experience.
5. No employee earns a salary between $45,000 and $55,000.
6. The bars representing each class interval are connected because SALARY is a continuous variable.
7. The sample
size n = 5; SPSS/win program uses N as the default notation for
the number of observ ations. This may be confusing since N is the
standard notation for the population
size.
8. The histogram with a normal curve syggests
the presence of positive skewness
in the data.
A Histogram of Employees'
Salary - with a Normal curve
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Copyright© 1996, Ebenge Usip, all rights reserved.
Last revised:
Thursday, July 11, 2013.