John Rhodes, Math Teacher at Senioritis.io

John Rhodes
June 21, 2023
Statistics

How To Calculate Percentile In Data Distribution: Step-By-Step Guide

Find and interpret the percentile of an individual value in a distribution of data. Percentile is percent. Find the percent to get percentile. If they are in...

John Rhodes
June 21, 2023
Statistics

Mastering Percentile Estimation And Individual Value Approximation Using Cumulative Relative Frequency Graphs

Estimate percentiles and individual values using a cumulative relative frequency graph. .25 is Q1, .5 is Median, .75 is Q3. Read the x and y axis to...

John Rhodes
June 21, 2023
Statistics

How To Calculate Standardized Scores (Z-Scores) In Data Distributions

Find and interpret the standardized score (z-score) of an individual value in a distribution of data. z-score = (value – mean) / standard deviation. If the z-score...

John Rhodes
June 21, 2023
Statistics

How Adding, Subtracting, Multiplying, And Dividing Constants Affect The Distribution In Mathematics

Describe the effect of adding, subtracting, multiplying by, or dividing by a constant on the shape, center, and variability of a distribution of data. Adding and subtracting...

John Rhodes
June 21, 2023
Statistics

Master The Art Of Modeling Quantitative Data Using Density Curves: A Step-By-Step Guide

Use a density curve to model distributions of quantitative data. Density curve has an area of 1 with the height of the graph being the reciprocal of...

John Rhodes
June 21, 2023
Statistics

The Relationship Between Mean And Median In Symmetrical And Skewed Data Distributions

Identify the relative locations of the mean and median of a distribution from a density curve. Skewness affects mean by bringing it closer to the skew. Median...

John Rhodes
June 21, 2023
Statistics

Mastering The Empirical Rule For Normal Distribution Estimation And Percentile Calculation In Math

Use the empirical rule to estimate the proportion of values in a specified interval or to find the value that corresponds to a given percentile in a...

John Rhodes
June 21, 2023
Statistics

Discovering Probabilities In A Normal Distribution: A Guide To Using Table A And Technology

Find the proportion of values in a specified interval in a Normal distribution using Table A or technology. To find a percentage between values use normalcdf(lower limit,...