ncreasing & Decreasing Functions What are increasing and decreasing functions? A function, f(x), is?increasing?if?f'(x)?>?0 This means the value of the function (‘output’) increases as x inc...
Introduction to Derivatives Before introducing a?derivative, an understanding of a?limit?is helpful What is a limit? What might I be asked about limits? You may be asked to use your GDC to plot the...
Two-Sample Tests What is a?t-test? A?t-test is used to?compare the means?of?two normally distributed?populations In the exam the?population variance will always be unknown What assumptions are need...
Chi-Squared GOF: Uniform What is a chi-squared goodness of fit test for a given distribution? What are the steps for a chi-squared goodness of fit test for a given distribution? Worked Example Chi-...
Chi-Squared Test for Independence What is a chi-squared test for independence? You will use a?contingency table This is a two-way table that shows the?observed frequencies?for the different combina...
Language of Hypothesis Testing What is a hypothesis test? A hypothesis test uses a?sample of data?in an experiment to test a?statement?made about the?population The statement is either about a?popu...
Calculating Normal Probabilities How do I find probabilities using a normal distribution? You will be?expected to use?distribution functions on your?GDC?to find the probabilities when working with ...
Properties of Normal Distribution The binomial distribution is an example of a discrete probability distribution. The normal distribution is an example of a?continuous?probability distribution. Wha...
Calculating Binomial Probabilities How do I calculate?P(X?=?x):?the probability of a single value for a binomial distribution? You should have a?GDC?that can calculate?binomial probabilities You wa...
