Complete the following activity to prepare a table of coordinates of points to draw a frequency polygon :
Question types
Statistics question types
7 questions across 5 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.
7
Questions
5
Question groups
5
Question types
01
Complete the following activities and rewrite it : (2M)
2 Q→022 Marks Questions
1 Q→03Complete the following activities and rewrite it ( 3 marks)
1 Q→043 Marks Question
2 Q→054 Marks Questions
1 Q→Sample Questions
Statistics questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
View full solution →
The following table shows the daily supply of electricity to different places in a town. To show the information by a pie diagram, measures of central angles of sectors are to be decided. Complete the following activity to find the measures :
The following table shows the number of students and the time they utilized daily for their studies. Find the mean time spent by the students for their studies.
View full solution →| Class Time (In hours) | Class Marks $(x_i)$ | No. of Students $(f_i)$ | $f_i x_i$ |
| 0 - 2 | 1 | 8 | 08 |
| 2 - 4 | 3 | 14 | 42 |
| 4 - 6 | 5 | 18 | 90 |
| 6 - 8 | 7 | 10 | 70 |
| 8 - 10 | 9 | 10 | 90 |
Complete the activity by fill in the boxes :
In a general store the prices of different articles and its demand is shown in the following frequency distribution table. Find the Median of the prices.
| Price in Rupees | No. of Articles |
| Less than 20 | 140 |
| 20 - 40 | 100 |
| 40 - 60 | 80 |
| 60 - 80 | 60 |
| 80 - 100 | 20 |
The following table shows the marks of 180 students in Mathematics. Find the value of '$x$' and draw histogram.
Find the value of ‘$x$’ and draw histogram.
View full solution →| Marks | No. of Students |
| 0 - 10 | 25 |
| 10 - 20 | $x$ |
| 20 - 30 | 30 |
| 30 - 40 | $2x$ |
| 40 - 50 | 65 |
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