# MATH COURSEWORK STPM 2017

So, how to continue with comments the validity??? Sample has a known probability of being selected Non-probability Sampling: It is conversion from radian to degree. Please do it yourself. So you will get many combinations. JS on May 7, at X on May 1, at 4: You can ask your teacher for answer. Because x is equal to all real number. If you never compare with the exact value, it is no point for you to comment about T1 is greater than T2.

There are four possible ways to represent a function; verbally, numerically, visually and algebraically.

How about Question No. Stratified sampling works best when a heterogeneous population is split into fairly homogeneous groups. Sample Solution Sorry for late posting.

For 3 awhy magh values for T1 is higher than T2, while for 3 b ,the values of T2 is higher than T1. # STPM Term 2 Mathematics (T) Coursework | KK LEE MATHEMATICS

Simple Random Sampling SRS Stratified Sampling Cluster Sampling Systematic Sampling Multistage Sampling in which some of the methods above are combined in stages Of the five methods listed above, students have the most trouble distinguishing between stratified sampling and cluster sampling.

Stratified Sampling is possible when it makes sense to partition the population into groups based on a factor that may influence the variable that is being measured.

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In general a sample size of 30 is considered sufficient. Random sampling is the purest form of probability sampling. So you will get many combinations. Can i know the website you are using to plot the graph? I never prepare full answer.

## STPM 2017 Mathematics (T) Term 1 Assignment

With cluster sampling one should. Sample solution for the mathematical part. The sample values are independent of each other. Tan Coutsework Yee on May 4, at 8: Discuss the validity of your results. Selventhraan on March 21, at 8: Construct three confidence intervals for the mean time spent daily by students in your school to access the social media.

Under these conditions, stratification generally produces more precise estimates of the population percents than estimates that would be found from a simple random sample. Standard distribution is assumed as above formula. Some ideas for you.

## STPM 2017 Term 2 Mathematics (T) Coursework

Sample does not have known probability of being selected as in convenience or voluntary response surveys Probability Sampling In probability sampling it is possible to both determine which sampling units belong to which sample and the probability that each sample will be selected. In probability sampling it is possible to both determine which sampling units belong to which sample and the probability that each sample will be selected.

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So think about your sample size in terms of what you know about the population and decide whether the sample is large enough. Why the values of alpha in 3 b are between 0. July on May 1, at To check the appropriateness of using numerical methods. Chew on June 11, at 8: Hope that this post will help you. Different school teacher have different requirement on the non-mathematical part Introduction, methodology, and conclusion.

Sir, I need the solution before the holiday ends cousework it is the deadline for my school. If the population is very skewed, you will need a pretty large sample size to use the CLT, however if the population is unimodal and symmetric, even small samples are ok. 