G10 Remedial Task_001

In the given data, why can't we used the frequency for the y-axis?

• It's not reliable

• The given data is a grouped data

• The class intervals are unequal

• The data is continuous?

How do you calculate the frequency density of one class interval?

• Multiply the frequency by the class width

• Add the class width and frequency

• Find the midpoint of the class interval then multiply by its frequency

• Divide the frequency by the class width

What is the frequency density of the second class interval?

• 1.2

• 0.5

• 3.6

• 4.8

How do we know the frequency of one class interval in the histogram?

• Find the area of the bar

• Multiply the frequency and class width

• Divide the frequency density by the class width

• Find the median of the rectangle.

What is the total number of cars?

• 120

• 168

• 174

• 215

How many plants have a height between 15 to 25 cm?

• 10

• 40

• 60

• 65

How many plants have a height greater than 25 cm?

• 160

• 210

• 120

• 250

Given that there are 300 plants in all, what is the position of the data value at the median?

• [300/4]th

• [3(300)/4]th

• [300/2]th

• [75(300)/100]th

Which of the following class interval contains the median value?

• 0 to 10

• 15 to 25

• 30 to 35

• 40 to 50

What is the frequency of the class interval 25 to 35?

• 12

• 24

• 36

• 50