Data Handling

A pictograph represents data using

• Sectors of a circle

• Pie Chart

• Rectangular Bars

• using images.

Tally marks are used to find

• Frequency

• Range

• Class Interval

• None of these

What is the upper limit of the class 220 – 225

• 250

• 220

• 225

• 223

The lower limit of the class 250 – 300

• 300

• 270

• 280

• 250

The upper limit of the fourth class is

• 395

• 430

• 360

• 465

The size of the class intervals is

• 30

• 40

• 25

• 35

The frequency of the third class is

• 2

• 6

• 4

• 7

The number of workers getting daily wages 395-430 (in ?) is

• 6

• 4

• 7

• 5

Which two classes have the same frequency ?

• 290-325 and 465-500

• 290-325 and 325-360

• 430-465 and 465-500

• 325-360 and 360-395.

The number of workers getting wages 395 and above is

• 12

• 18

• 6

• 13