How to find percentile on TI-84?
Understand the Problem
The question is asking how to find the percentile function or calculation using a TI-84 calculator. This involves using either statistical functions or specific features of the calculator to determine the percentile value given a data set or a specific score.
Answer
Use the 'invtNorm' function.
The final answer is achieved by using the 'invtNorm' function on the TI-84 calculator.
Answer for screen readers
The final answer is achieved by using the 'invtNorm' function on the TI-84 calculator.
More Information
The 'invtNorm' function on the TI-84 calculator allows you to find the z-score corresponding to a given percentile in the normal distribution.
Tips
One common mistake is to enter the percentile as a whole number rather than a decimal. Always enter percentiles as decimals (e.g., 0.95 for 95%). Another mistake is not specifying the mean and standard deviation if they differ from the standard normal distribution.
