在一小时内统计一传呼台接收到用户的呼唤次数,按每分钟统计如下:
|
0 |
0 |
1 |
2 |
1 |
2 |
2 |
3 |
4 |
1 |
|
0 |
1 |
2 |
5 |
3 |
1 |
2 |
2 |
2 |
4 |
|
2 |
4 |
3 |
1 |
1 |
3 |
2 |
3 |
4 |
6 |
|
1 |
2 |
0 |
2 |
3 |
1 |
3 |
1 |
4 |
1 |
|
1 |
2 |
0 |
2 |
3 |
4 |
2 |
5 |
0 |
2 |
|
1 |
1 |
0 |
3 |
2 |
1 |
3 |
1 |
2 |
0 |
写出一分钟内传呼呼唤次数的频率分布表,并画出频率分布图.