S2

 S2

S2 Checklist for Exam/Assessment Preparation

Past Paper

9709 May June 2024/62 Q1and Q2

9709 May June 2024/62 Q3 and Q4

9709 May June 2024/62 Q5 an Q7

POISSON DISTRIBUTION

1.  Poisson Distribution video 1
2.  Poisson Distribution video 2
3.  Poisson Distribution video 3

1a. Recap Poisson Distribution video 1  (Conditions and calculation probabilities)

2a. Recap Poisson distribution video 2 (unit interval and mean and variances)

3a. Recap Poisson distribution video 3 (Poisson distribution as an approx. to Binomial distribution)

4a. Recap Poisson distribution video 4 (Normal approximation to the Poisson distribution)

5a. Recap Poisson distribution video 5 - (The sum of independent poisson variables.)
4. Poisson distribution approximating distribution and sum of independent variable J17/72/q6
5. Poisson distribution with Conditional Probability and Sample Mean N18/72/Q7

6.The Sum of independent Poisson Variables June 21/61/Q1

LINEAR COMBINATION OF RANDOM VARIABLE

1.Linear Combination of random variable video #1

2. Linear Combination Sum of Poisson Variables video #2

3. Linear Combination - Sum of Normal Variables Video #3 

4.Linear Combination Multiples of Normal Variables

5. Linear Combination distinguishing between Sum and Multiple of Normal Variables video #5

6. concept - Why is a^2 in variance

PAST PAPER QUESTIONS

1. Linear Combination Sum, Difference and multiple N18/71/Q5

2,

3.Linear combination June 16/72/Q5

4. Linear combination of random variables Nov. 2004

5. Linear combination of random variables Nov. 2006

6.Linear combination of random variables Nov. 2020/62

CONTINUOUS RANDOM VARIABLES

1.. Challenging Qs. J19/71/Q4

2. S2 Continuous random variables Nov 2020/61

SAMPLING AND ESTIMATION

VIDEO 1 TO VIDEO 11 are the complete explanations on SAMPLING AND ESTIMATION.

Sampling and Estimation Video 1

Sampling and Estimation - Sample Mean Video 2 - 9709 June 2008

Sampling and Estimation Sample Mean Video 3

Central Limit Theorem Video 4-9709 Nov 2004 Var 72

Central Limit Theorem with discrete distribution video 5

Sampling and Estimation—Unbiased Estimates Video 6

Confidence interval for population mean video 7

Confidence interval population mean application video 8

Confidence Interval - Population Mean video 9 part I

Confidence interval population mean part 2

Confidence Interval ,p, Population proportion video 10

Confidence interval - Population Proportion video 11- 9709 June 2005 - Nov 2007

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explanation of population, census, Random Sample, distribution of sample mean, Past paper June 8/Q2)
2. Distribution of sample mean. Past paper Nov.4/Q2, Jun. 6/ Q3, 

3. unbiased estimate and Width June 2009 Var 71

4. Confidence Interval June 2008 /Q1
4. confidence interval - Nov10/73/Q3, Nov. 14/73/Q3, 

5. Confidence interval for proportion, Nov. 6/Q3
6. Past Paper Jun. 18/71/Q1, Jun. 18/73/Q2, Nov.18/73/Q3

HYPOTHESIS TEST

1. Hypothesis Tests 1 (Language of Hypothesis, June 03/Q2)
2. Hypothesis Test 2 (Binomial, Type 1 error, critical region- Nov.07, Nov. 12, Nov. 15)
3. Hypothesis Tests 3 (type i and type ii error calculation - Nov.10 & Jun. 9)
4. Hypothesis Tests 4( Probability type I and type II, Nov.13, June 07)
5. Hypothesis Testing 5. (Two tail example and Nov. 18)
6. Hypothesis tests 6. (finding confidence interval, approx. normal, z test - Nov. 18)
7. Challenging Question Hypothesis and confidence Interval J19/72/Q5
8. Challenging question unbiased estimate of population mean and variance and Hypothesis test. J19/72/Q3