39, 25, 5, 33, 19, 21, 12, 48, 13, 21, 9, 1, 10, 8, 12, 17, 41, 40, 12, 46, 37, 17. 27, 30, 6, 2, 23, 19 |
P | ||
Group | Tally Marks | Frequency |
0-10 | \[\bcancel{||||}|\] | 6 |
10-20 | \[\bcancel{\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }}\text{ }\bcancel{\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }}|\] | 11 |
20-30 | \[||||\] | 4 |
30-40 | \[\bcancel{||||}\] | 5 |
40-50 | \[|||\] | 3 |
Q | ||
Group | Tally Marks | Frequency |
0-10 | \[\bcancel{||||}|\] | 6 |
10-20 | \[\bcancel{||||}\bcancel{||||}\] | 10 |
20-30 | \[\bcancel{||||}\] | 5 |
30-40 | \[||||\] | 4 |
40-50 | \[||||\] | 4 |
A) Only P
B) Only Q
C) Neither P nor Q
D) Can't be determined
Correct Answer: C
Solution :
The correct frequency distribution table for the given data is as followsGroup | Tally Marks | Frequency |
0-10 | \[\bcancel{||||}\text{ }\!\!|\!\!\text{ }\] | 6 |
10-20 | \[\bcancel{||||}\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\] | 9 |
20-30 | \[\bcancel{||||}\] | 5 |
30-40 | \[\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\] | 4 |
40-50 | \[\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ }\] | 4 |
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