组别 | 145.5-150.5 | 150.5-155.5 | 155.5-160.5 | 160.5-165.5 | 165.5-170.5 | 170.5-175.5▱ |
频率 | 0.04 | 0.24 | 0.36 | 0.30 | 0.04 | 0.02 |
九年级数学解答题中等难度题
组别 | 145.5-150.5 | 150.5-155.5 | 155.5-160.5 | 160.5-165.5 | 165.5-170.5 | 170.5-175.5▱ |
频率 | 0.04 | 0.24 | 0.36 | 0.30 | 0.04 | 0.02 |
九年级数学解答题中等难度题查看答案及解析
分组编号 | 分组 | 频率 |
1 | 145.5~148.5 | 0.02 |
2 | 148.5~151.5 | 0.04 |
3 | 151.5~154.5 | 0.08 |
4 | 154.5~157.5 | 0.12 |
5 | 157.5~160.5 | 0.30 |
6 | 160.5~163.5 | |
7 | 163.5~166.5 | 0.18 |
8 | 166.5~169.5 | 0.06 |
九年级数学解答题中等难度题查看答案及解析
组 别 | 频率 |
145.5~150.5 | 0.04 |
150.5~155.5 | 0.24 |
155.5~160.5 | 0.36 |
160.5~165.5 | 0.30 |
165.5~170.5 | 0.04 |
170.5~175.5 | 0.02 |
九年级数学解答题中等难度题查看答案及解析
分组编号 | 分组 | 频率 |
1 | 145.5~148.5 | 0.02 |
2 | 148.5~151.5 | 0.04 |
3 | 151.5~154.5 | 0.08 |
4 | 154.5~157.5 | 0.12 |
5 | 157.5~160.5 | 0.30 |
6 | 160.5~163.5 | 0.20 |
7 | 163.5~166.5 | 0.18 |
8 | 166.5~169.5 | 0.06 |
九年级数学解答题中等难度题查看答案及解析
分组编号 | 分组 | 频率 |
1 | 145.5~148.5 | 0.02 |
2 | 148.5~151.5 | 0.04 |
3 | 151.5~154.5 | 0.08 |
4 | 154.5~157.5 | 0.12 |
5 | 157.5~160.5 | 0.30 |
6 | 160.5~163.5 | 0.20 |
7 | 163.5~166.5 | 0.18 |
8 | 166.5~169.5 | 0.06 |
九年级数学解答题中等难度题查看答案及解析
分组编号 | 分组 | 频率 |
1 | 145.5~148.5 | 0.02 |
2 | 148.5~151.5 | 0.04 |
3 | 151.5~154.5 | 0.08 |
4 | 154.5~157.5 | 0.12 |
5 | 157.5~160.5 | 0.30 |
6 | 160.5~163.5 | 0.20 |
7 | 163.5~166.5 | 0.18 |
8 | 166.5~169.5 | 0.06 |
九年级数学解答题中等难度题查看答案及解析
身高 | 148 | 151 | 154 | 155 | 157 | 158 | 160 | 161 | 162 | 164 |
人数 | 1 | 1 | 2 | 1 | 2 | 3 | 4 | 3 | 4 | 5 |
身高 | 165 | 166 | 167 | 168 | 170 | 171 | 173 | 175 | 177 | 179 |
人数 | 2 | 3 | 6 | 1 | 4 | 2 | 3 | 1 | 1 | 1 |
分 组 | 频 数 | 频 率 |
147.5~151.5 | 2 | 0.04 |
151.5~155.5 | 3 | 0.06 |
155.5~159.5 | 5 | 0.10 |
159.5~163.5 | 11 | 0.22 |
163.5~167.5 | ______ | ______ |
167.5~171.5 | ______ | ______ |
171.5~175.5 | 4 | 0.08 |
175.5~179.5 | 2 | 0.04 |
合 计 | 50 | 1.00 |
九年级数学解答题中等难度题查看答案及解析
分组 | 频数 | 频率 |
145.5~149.5 | 3 | 0.05 |
149.5~153.5 | 9 | 0.15 |
153.5~157.5 | 15 | 0.25 |
157.5~161.5 | 18 | n |
161.5~165.5 | 9 | 0.15 |
165.5~169.5 | m | 0.10 |
合计 | M | N |
九年级数学解答题中等难度题查看答案及解析
分组 | 频数 | 频率 |
145.5~149.5 | 3 | 0.05 |
149.5~153.5 | 9 | 0.15 |
153.5~157.5 | 15 | 0.25 |
157.5~161.5 | 18 | n |
161.5~165.5 | 9 | 0.15 |
165.5~169.5 | m | 0.10 |
合计 | M | N |
九年级数学解答题中等难度题查看答案及解析
分组 | 频数 | 频率 |
145.5~149.5 | 3 | 0.05 |
149.5~153.5 | 9 | 0.15 |
153.5~157.5 | 15 | 0.25 |
157.5~161.5 | 18 | n |
161.5~165.5 | 9 | 0.15 |
165.5~169.5 | m | 0.10 |
合计 | M | N |
九年级数学解答题中等难度题查看答案及解析