1. During his career in the NHL, hockey great Wayne Gretzky had the following season-total goals for each of his 20 seasons. Source: The World Almanac and Book of Facts 2000, p. 954.
|
51
|
55
|
92
|
71
|
87
|
73
|
52
|
62
|
40
|
54
|
|
40
|
41
|
31
|
16
|
38
|
11
|
23
|
25
|
23
|
9
|
Construct a frequency distribution and a histogram for these data.
2. According to the U.S. Department of Agriculture, the distribution of U.S. farms according to value of annual sales is as follows. Source: Bureau of the Census, Statistical Abstract of the United States 2006, p. 546.
Farms Annual Sales (Thousands)
|
under $10,000
|
1262
|
|
$10,000-under $25,000
|
256
|
|
$25,000-under $50,000
|
158
|
|
$50,000-under $100,000
|
140
|
|
$100,000-under $250,000
|
159
|
|
$250,000-under $500,000
|
82
|
|
$500,000-under $1,000,000
|
42
|
|
$1,000,000 or more
|
29
|
Convert this information to a
a. Relative frequency distribution.
b. Cumulative frequency distribution showing "less than or within" frequencies.