### 7 April 2011: Tasks for the Day

In the last lesson, you learnt how to read and interpret histograms from the online lessons in AceLearning Portal.

You will be doing the following:
• This is a 10-min quiz to be done on your own.
• Calculator is allowed.
• No discussion is allowed.
• The purpose of the quiz is to check your own understanding on how to draw out information from a histogram and apply it in a real world situation.
• We will discuss the answer on Friday (8 April)
Task 2: Organising Data in a Frequency Table [30 min]
•  Login to AceLearning > Go to Secondary 1 Express Elementary Mathematics
• Click at Statistics > Data Handling
• Select 6. Frequency Tables

Task 3: Do the following as homework in your NOTEBOOK. [Remaining Time]

Textbook 1B: Chapter 16 Data Handling
Basic Practice 1:
Question 1
The following list shows the number of children in each of the 25 families.
1     0    1    2    1
2    2    0    0    2
3    3    2    3    1
2    1    1    2    3
4    2    2    4    5

(a) Construct a frequency table for the data.
(b) How many families have 3 or more children?

Question 2
The following list shows the number shown on a dice for each of 40 tosses:
1    6    4    2    5
3    3    3    6    5
2    5    2    4    2
1    1    6    5    2
1    3    3    1    3
6    4    4    5    2
3    1    1    6    4
3    4    6    5    2

(a) Construct a frequency table for the data.
(b) Find the number of tosses for which the number shown on the dice is a PRIME number.