Identify the population parameter you want to estimate
Collect a sample from the population
Choose the appropriate sample statistic
Compute the statistic from the sample data
Use the computed statistic as the point estimate
For population mean, use the sample mean
For population proportion, use the sample proportion
For population variance, use the sample variance
For population standard deviation, use the sample standard deviation
For population difference between two means, use the difference of sample means
For population difference between two proportions, use the difference of sample proportions