Find the arithmetic mean, mode, median, and standard deviation for the following

Question

Find the arithmetic mean, mode, median, and standard deviation for the following sample of data: 2, 4, 6, 8, 10, 8, 5, 3, 4, 1 The following table represents the starting salaries for 20 management trainees at ABC company. Draw a frequency histogram for the data using 5 classes or intervals: The frequency distribution below represents the monthly commissions of 500 randomly selected car salespeople. number of salespeople who made commissions of at least $4000 but less than $6000. percent of salespeople who made commissions of no less than $6000. percent of the salespeople who made commissions of at least $5000. The net income of a sample of large importers of antiques were organized in the following table: What is the table called? Based on the distribution, what is the estimate of the arithmetic mean net income? Based on the distribution, what is the estimate of the standard deviation?

Explanation / Answer

Solution:

1.

2.

5.

x 2 4 mean 5.1 sum(x)/n 6 mode 4 most frequently occurred observation 8 median 4.5 (n+1)/2 th observation 10 sd 2.88 sqrt(var) 8 5 3 4 1

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