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- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Business_Statistics_(OpenStax)/01%3A_Sampling_and_Data/1.02%3A_Data_Sampling_and_Variation_in_Data_and_SamplingThis page provides an overview of data types, focusing on qualitative and quantitative distinctions. It emphasizes effective data representation through various graphs and highlights the importance of...This page provides an overview of data types, focusing on qualitative and quantitative distinctions. It emphasizes effective data representation through various graphs and highlights the importance of sampling methods. Key concepts include sampling errors and biases, while stressing the need for representative samples to ensure accurate conclusions. Additionally, variability in measurements is discussed, showcasing how sampling techniques can impact results.
- https://stats.libretexts.org/Courses/Fresno_City_College/Introduction_to_Business_Statistics_-_OER_-_Spring_2023/01%3A_Sampling_and_Data/1.03%3A_Data_Sampling_and_Variation_in_Data_and_SamplingFor example, if the population is 25 people, the sample is ten, and you are sampling with replacement for any particular sample, then the chance of picking the first person is ten out of 25, and the c...For example, if the population is 25 people, the sample is ten, and you are sampling with replacement for any particular sample, then the chance of picking the first person is ten out of 25, and the chance of picking a different second person is nine out of 25 (you replace the first person).
- https://stats.libretexts.org/Courses/Saint_Mary's_College_Notre_Dame/BFE_1201_Statistical_Methods_for_Finance_(Kuter)/01%3A_Sampling_and_Data/1.03%3A_Data_Sampling_and_Variation_in_Data_and_SamplingFor example, if the population is 25 people, the sample is ten, and you are sampling with replacement for any particular sample, then the chance of picking the first person is ten out of 25, and the c...For example, if the population is 25 people, the sample is ten, and you are sampling with replacement for any particular sample, then the chance of picking the first person is ten out of 25, and the chance of picking a different second person is nine out of 25 (you replace the first person).
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Business_Statistics_(OpenStax)/05%3A_Continuous_Random_Variables/5.06%3A_Formula_ReviewThis page covers properties of continuous probability density functions (pdf) and cumulative distribution functions (cdf), focusing on uniform and exponential distributions. It details their character...This page covers properties of continuous probability density functions (pdf) and cumulative distribution functions (cdf), focusing on uniform and exponential distributions. It details their characteristics, including mean, standard deviation, and probability calculations. The page also introduces the Poisson distribution and its probability calculation formula based on the mean.
- https://stats.libretexts.org/Courses/Fort_Hays_State_University/Elements_of_Statistics/01%3A_Introduction_to_Statistics/1.05%3A_VariablesVariables are properties or characteristics of some event, object, or person that can take on different values or amounts. Just as there are different types of characteristics, there are different typ...Variables are properties or characteristics of some event, object, or person that can take on different values or amounts. Just as there are different types of characteristics, there are different types of variables. Some variable types do not admit certain computations and analyses; so, it is important that we pay close attention to the variables and data that we analyze.
- https://stats.libretexts.org/Courses/Fresno_City_College/Book%3A_Business_Statistics_Customized_(OpenStax)/01%3A_Sampling_and_Data/1.03%3A_Data_Sampling_and_Variation_in_Data_and_SamplingFor example, if the population is 25 people, the sample is ten, and you are sampling with replacement for any particular sample, then the chance of picking the first person is ten out of 25, and the c...For example, if the population is 25 people, the sample is ten, and you are sampling with replacement for any particular sample, then the chance of picking the first person is ten out of 25, and the chance of picking a different second person is nine out of 25 (you replace the first person).
