Mathematics | Senioritis

John Rhodes
June 21, 2023
Statistics

The Effects Of Adding, Subtracting, Multiplying, And Dividing Data Points In A Distribution

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

Mastering Data Analysis: The Power And Precision Of Density Curves

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

Measures Of Central Tendency: Mean And Median In Density Curves

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: Estimating Proportions And Percentiles In Normal Distributions

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

Mastering Normal Distribution: A Step-By-Step Guide To Finding Proportions In A Specified Interval Using Table A Or 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,...

John Rhodes
June 21, 2023
Statistics

How To Find The Value For A Given Percentile In A Normal Distribution: Step-By-Step Guide

Find the value that corresponds to a given percentile in a Normal distribution using Table A or technology. Using the percentile as area (55% will translate to...

John Rhodes
June 21, 2023
Statistics

Mastering Normality Assessment: Graphical And Numerical Techniques For Detecting Normal Distributions In Data

Determine whether a distribution of data is approximately Normal from graphical and numerical evidence. Looking at a z-score normal probability chart. If the graph is not linear...

John Rhodes
June 21, 2023
Calculus

Sample Mean: Calculation, Usage, And Importance In Data Analysis

Sample mean ( measures the center ) Sample mean is a measure of central tendency used to describe the typical or average value of a set of...