ECON 2200 Study Guide - Summer 2018, Comprehensive Midterm Notes - Saudi Arabia, Kuwait, Israel
ECON 2200
MIDTERM EXAM
STUDY GUIDE
Fall 2018
11. The following frequency distribution reports the number of frequent flier miles,
reported in thousands, for employees of Brumley Statistical Consulting, Inc. during the
first quarter of 2004.
Frequent Flier Miles
Number of (000) Employees
0 up to 3 5
3 up to 6 12
6 up to 9 23
9 up to 12 8
12 up to 15 2
Total 50
a. How many employees were studied?
There were 50 employees studied.
b. What is the midpoint of the first class?
The first class is 0 up to 3. Thus the midpoint is 1.5 (thousands of miles)
c. Construct a histogram.
Histogram
0
5
10
15
20
25
0 up to 3 3 up to 6 6 up to 9 9 up to 12 12 up to 15
Class
Frequency
d. A frequency polygon is to be drawn. What are the coordinates of the plot for the first
class?
The coordinates of the plot for the first class is (1.5, 5)
find more resources at oneclass.com
find more resources at oneclass.com
e. Construct a frequency polygon.
Frequency Polygon
0
5
10
15
20
25
0 5 10 15
X
Frequency
f. Interpret the frequent flier miles accumulated using the two charts.
The shape of the distribution of frequent flyer miles is symmetric with a peak in the
middle class 6 up to 9. That is, the distribution is centered between 6 and 9. The range is
between 0 and 15 thousand frequent flyer miles although relatively few employees have
fall into the 0-3 or 12-15 category.
find more resources at oneclass.com
find more resources at oneclass.com
Document Summary
Fall 2018: the following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of brumley statistical consulting, inc. during the first quarter of 2004. The first class is 0 up to 3. Thus the midpoint is 1. 5 (thousands of miles: construct a histogram. Histogram y c n e u q e r. Class: a frequency polygon is to be drawn. The coordinates of the plot for the first class is (1. 5, 5: construct a frequency polygon. Frequency polygon y c n e u q e r. X: interpret the frequent flier miles accumulated using the two charts. The shape of the distribution of frequent flyer miles is symmetric with a peak in the middle class 6 up to 9. That is, the distribution is centered between 6 and 9. Turkey is aspiring to be a major water exporter; major reginal water power. 3 nation rivalry surrounding the tigris and the euphrates.
