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2023 H2 MATHS
S3: Discrete Random Variable (Part 1 of 2)
S3: Discrete Random Variable (Part 1 of 2)
INSTRUCTIONS:
1. This topic is designed as a self-contained learning unit.
2. This is to be covered over 2 Blended Learning sessions.
3. You should have the notes for the topic by your side.
You are to complete Session 1 by 14 Feb, 5:00 pm. For your learning to be effective, do ensure you carry out every task seriously and responsibly!
You should set aside 1 hour for this BL session.
PRE-LEARNING
1. Let’s watch a motivational video on the “Application of Statistics In Daily Life | Use and Importance Of Statistics”
LEARNING
2. Watch this Introduction to Statistics (1.1) for an overview of the various elements of statistics. Note the terminologies used (eg. Descriptive vs Inferential statistics, variable, discrete vs continuous).
(You may ignore the concepts of categorical data mentioned in 2:35 to 3:20)
LEARNING (Lecture Notes Sections 3.1 and 3.2)
3. Watch this and fill in your lecture notes: Ch S3 Section 3.1.
4. Watch this and fill in your lecture notes: Ch S3 Section 3.2.
Erratum
Section 3.2 (Pg 3 Example 4)
Please note the following erratum in the video, the calculation is 4×8=32 and not 48.
Learning Activity
Activity to connect the concepts of mean and standard deviation to the concepts of expectation and variance
(to be introduced formally in Section 3.3 in Blended Learning Session 2)
5. You would need the help of an online simulator (DICE ROLL SIMULATOR) to simulate 60, 000 rolls of a die.
Task: Follow the instructions in the Appendix: Blended Learning Activity on Pg 11 of your notes. Complete sections (A) and (B) of the appendix found at the end of the notes.
You would need to submit a picture of your work [submit in Googleform under Post-Learning section].
Instructions for the use of the DICE ROLL SIMULATOR
See the image below to set the 3 settings:
Set to FREQEUNCY, dice =1, Press 6 times of "10,000" to get 60,000 throws.
Note the frequency count for each of the 6 outcomes of the die.
POST-LEARNING
6. You are required to fill in the following Google Form to submit your findings and log in your reflections : GoogleForm Submission (Be sure to recap this when you use this again for Session 2).
Note: A copy of your responses for each GoogleForm submission will be sent to your email. Click View Score (for quiz) to review your responses and feedback again.
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