Statistics
1g3xEBTRAY
unit_1_part_2__test.docx
Over the course of a decade, a certain police department issued 160.9 thousand speeding tickets. The ages of the males and females who received tickets are shown below. Use this information to answer parts a through c.
(a) Construct a relative frequency distribution of the males who received tickets. (Round answers to three decimal places.)
|
Age Groups |
Relative Frequency |
|
16 - 25 |
|
|
26 - 35 |
|
|
36 - 45 |
|
|
46 - 55 |
|
|
> 56 |
|
(b) Construct a relative frequency distribution of the females who received tickets. (Round answers to three decimal places.)
|
Age Groups |
Relative Frequency |
|
16 - 25 |
|
|
26 - 35 |
|
|
36 - 45 |
|
|
46 - 55 |
|
|
> 56 |
|
(c) Construct a side-by-side relative frequency bar graph. Choose the correct graph graph below where in each age grouping, the left bar represents males and the right bar represents females.
(
A.
B.
C.
)
The data below represent the per capita (average) disposable income (income after taxes) for 25 randomly selected cities in a recent year. Complete parts (a) through (j).
a) Construct a frequency distribution with the first class having a lower class limit of 30,000 and a class width of 6000.
|
Class |
Frequency |
|
__ - __ |
|
|
__ - __ |
|
|
__ - __ |
|
|
__ - __ |
|
|
__ - __ |
|
(b) Construct a relative frequency distribution with the first class having a lower class limit of 30,000 and a class width of 6000. (Type integers or decimals).
|
Class |
Relative Frequency |
|
__ - __ |
|
|
__ - __ |
|
|
__ - __ |
|
|
__ - __ |
|
|
__ - __ |
|
(c) Construct a frequency histogram of the data. Choose the correct graph below.
