University:
Georgia Southern University
Course:
ENGR 2139 | Numerical Methods
Academic year:

2024
Views:

258

Pages:

18
Author:

Jalen W.

Polulation and Sample In statistics, a population is a set of similar items or events which is of interest A population is the entire group that you want to draw conclusions about. A sample is the specific group that you will collect data from. The size of the sample is always less than the total size of the population. your sample is the group of individuals who participate in your study, and your population is the broader group of people to whom your results will apply Probability and statics Mean Probability and statics Median In statistics and probability theory, a median is a value separating the higher half from the lower half of a data sample, a population or a probability distribution. Mode is the most common value among the given observations. No Mode if all the number occurs same amount of times There can be more than one Mode if More than one number is most frequent Range Standard Deviation In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range. Population Standard Deviation Frequency Distribution The frequency distribution diagram is the graphical representation of a data set in which the number of occurrences of a certain data value is plotted against the data. An example would be the final exam scores out of 100 for a certain class, alongside the number of students who scored that number of points on that exam. Example: Frequency Distribution Data Data Frequency Data Frequency Data Frequency Histogram: A histogram is a chart that plots the distribution of a numeric variable's values as a series of bars. In probability theory, a normal distribution is a type of continuous probability distribution for a realvalued random variable. 𝐴 = 𝜋𝑟

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