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Mathematics
9th
grade
Grouped Frequency Distribution | Statistics | Assessment | English | Grade 9
8 questions
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- 1. Multiple Choice
The class mark of the class 250 - 280 is ______
255
260
265
270
- 2. Multiple Choice
The marks obtained by 10 students in a Mathematics test(out of 100) are given below. 48, 52, 62, 68, 72, 75, 100, 92, 38, 84 Determine the range of the marks.
62
68
60
72
- 3. Multiple Choice
In a frequency distribution, the mid - value of a class is 25 and the width of the class is 20. The lower limit of the class is _____
25
15
10
20
- 4. Multiple Choice
The class mark of a class is 45 and if the upper limit of that class is 60, then its lower limit is ______
25
40
50
30
- 5. Multiple Choice
The mid - value of a class interval is 52. If the class size is 10, find the upper and lower limits of the class.
48 - 58
45 - 55
47 - 57
50 - 60
- 6. Multiple Choice
Choose the correct frequency distribution table for the data on height (cm) of 20 girls using the class intervals 130 - 135, 135 - 140 and so on. The heights of the girls in cm are: 139, 138, 144, 147, 165, 142, 149, 155, 149, 141, 134, 136, 131, 146, 160, 153, 133, 148, 140, 138
- 7. Multiple Choice
The frequency distribution of weights (in kg) of 50 persons is given. What are the class marks of all the class interval?
30, 40, 50, 60, 70
35, 45, 55, 65, 75
30.5, 40.5, 50.5, 60.5, 70.5
35.5, 45.5, 55.5, 65.5, 75.5
- 8. Multiple Choice
Choose the correct frequency distribution table for the data of annual attendance of 40 students in standard IX, using the class intervals 155 - 165, 165 - 175 and so on. Annual attendance: 171, 183, 192, 168, 156, 162, 158, 159, 178, 192, 186, 173, 169, 162, 182, 191, 194, 169, 174, 158, 186, 174, 176, 181, 179, 193, 164, 176, 159, 158, 166, 168, 187, 188, 192, 194, 166, 173, 179, 187
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