how to calculate rate of change in a sample predicting rate of change in a population how to measure the rate of change why use random sampling when to measure rate of change how to measure random number of random samples how to calculate rate of change in statistics how to find rate of change of sample how to measure the rate of change of a sample how many sample points for a rate of change can rate of change be measured by random sampling how to calculate rate of change of sample when a sample is selected how does it calculate the rate of change how can you measure the rate of change how to calculate a rate of change in a data set rate of change is determined when how does a random sampling method determine the rate of change? which of the following is an example of the rate of change over multiple random periods of time? when sampling a population would you need to calculate the rate of change why do you calculate sample rate