Basic Mathematics for College Students

(Nandana) #1
Chapter 7 Summary and Review

CHAPTER 7 SUMMARY AND REVIEW


SECTION 7.1 Reading Graphs and Tables


To read a table and locate a specific fact in it,we
find the intersection of the correct row and
column that contains the desired information.

DEFINITIONS AND CONCEPTS EXAMPLES
SALARY SCHEDULES Find the annual salary for a teacher with a
master’s degree plus 15 additional units of study who is beginning her
4th year of teaching.

The annual salary is $46,417. It can be found by looking on the fourth
row (labeled Step 4) in the 6th column (labeled MA + 15).

1 2 3 4 5 6 7

Step
37,295
38,504
39,716
40,926
42,135
44,458
46,780

BA
38,362
39,581
40,802
42,021
43,240
45,567
47,891

BA+15
39,416
40,652
41,885
43,120
44,356
46,683
49,003

BA+30
40,480
41,728
42,973
44,220
45,465
47,782
50,115

BA+45
41,556
42,812
44,066
45,321
46,577
48,897
51,226

MA
42,612
43,879
45,147
46,417
47,682
50,010
52,330

MA+15
43,669
44,952
46,234
47,514
48,795
51,113
53,438

MA+30

Teacher Salary Schedule

STUDY SKILLS CHECKLIST


Know the Definitions


Before taking the test on Chapter 7, make sure that you have memorized the definitions of
mean, median, and mode. Put a checkmark in the box if you can answer “yes” to the statement.
□ I know that the mean of a set of values is often
referred to as the average.
□ I know that the mean of a set of values is given by
the formula:

Mean 

□ I know that the median of a set of values is the
middle value when they are arranged in increasing
order.
□ I know how to find the median of a set of values if
there is an odd number of values.
2458101314 7 values

Median  Middle value



sum of the values
number of values

□ I know how to find the median of a set of values if
there is an even number of values.
245810131416 8 values
Median 
□ I know that the mode of a set of values is the value
that occurs most often.
□ I know that a set of values may have one mode, or
more than one mode.
2 8 5 8 10814 mode: 8
2 8 5 8 2 8 2 two modes: 2, 8

8  10
2 ^9

⎭⎬⎫

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