Sampling in social research involves selecting a subset of a population to make inferences about the whole. It helps in saving time and money, ensures accuracy in measurements, and allows estimation of population characteristics. The key principles of sampling include systematic selection, clear def

1 views • 19 slides

Sampling is a crucial process in statistical analysis where observations are taken from a larger population. Different sampling techniques are used based on the analysis being performed. Sampling methods help in studying populations when studying the entire population is not feasible. There are two

0 views • 8 slides

Dive into the world of ocean exploration with your students through a series of virtual conferences with researchers and specialists, organized by the Tara Ocean Foundation. Explore topics such as ocean and climate, plastic pollution, plankton, and Arctic ice melting. Engage in presentations, Q&A se

0 views • 6 slides

Sampling under the RRF is essential for the Commission to ensure reasonable assurance of fulfillment of numerical milestones or targets. The approach involves statistical risk-based random sampling with specific thresholds and considerations for different types of milestones. Various statistical tab

0 views • 12 slides

The AG-Ocean Engagement Plan aims to establish long-term working arrangements between WMO and the ocean infrastructure community to advance Earth System Approaches. AG-Ocean focuses on advisory roles, prioritizing key areas for impact. The plan identifies observations, data, and prediction as essent

1 views • 21 slides

Non-probability sampling methods involve selecting samples based on subjective judgment rather than random selection. Types include convenience sampling, quota sampling, judgmental (purposive) sampling, and snowball sampling. Convenience sampling picks easily available samples, quota sampling select

2 views • 7 slides

This analysis covers the systematic process involved in analyzing real samples, including sampling, sample preservation, and sample preparation. It discusses the importance of accurate sampling in obtaining information about various substances, such as solids, liquids, gases, and biological material

0 views • 54 slides

Sampling is vital for statistical analysis, with sampling plans detailing objectives, target populations, operational procedures, and statistical tools. Different sampling methods like judgmental, convenience, and probabilistic sampling are used to select samples. Estimation involves assessing unkno

1 views • 36 slides

Sampling in statistics involves selecting a subset of individuals from a population to gather information, as it is often impractical to study the entire population. This method helps in estimating population characteristics, although it comes with inherent sampling errors. Parameters represent popu

2 views • 24 slides

Sampling is crucial in research to draw conclusions about a population. Various methods like simple random sampling, stratified sampling, and systematic sampling help in selecting representative samples. Sampling error arises due to differences between sample and population values, while bias leads

0 views • 12 slides

Discover the key methods and procedures for sampling, transportation, and storage of environmental parameters, focusing on food sampling and analysis. Explore the importance of representative samples, quality analysis results, and risks associated with sampling. Learn about homogeneous vs. heterogen

5 views • 36 slides

Explore the concepts of random sampling, RAT-Stats, and their application in statistical analysis. Learn about sampling processes, common terms, precision points, and when to use these methods. Discover the steps involved in the sampling process and how it can be utilized in various audit and monito

2 views • 18 slides

The collection of water and wastewater samples is crucial for accurate analysis and monitoring. Understanding the reasons for sampling, different methods, and the importance of sample preparation is essential for obtaining reliable results. Planning sampling, meeting specific requirements, and selec

6 views • 22 slides

This lecture delves into the concepts of analog data, digital signals, and the processes involved in data transmission and digital communication. It covers topics such as Pulse Amplitude Modulation (PAM), Analog-to-Digital Conversion, and Sampling. The conversion of analog signals to digital signals

0 views • 34 slides

Sampling plays a crucial role in converting continuous-time signals into discrete-time signals for processing. This lecture covers periodic sampling, ideal sampling, Fourier transforms, Nyquist-Shannon sampling, and the processing of band-limited signals. It delves into the relationship between peri

1 views • 60 slides

Explore the fascinating bathymetric features of the ocean floor, including the continental margin, ocean basin floor, deep-sea trenches, mid-ocean ridges, and abyssal plain. Learn about submarine canyons like the Cape Range Canyon near Ningaloo Reef in Western Australia, and discover rare marine lif

0 views • 37 slides

Evaluating and generalizing ocean color inversion models to retrieve marine inherent optical properties (IOPs) is essential for understanding ocean dynamics. This involves choosing the right algorithm and validating its effectiveness, as discussed in the Ocean Optics Summer Course at the University

0 views • 23 slides

Coupled ocean-atmosphere modeling on horizontally icosahedral and vertically hybrid-isentropic/isopycnic grids is a cutting-edge approach to modeling climate variability. The design goals aim to achieve a global domain with no grid mismatch at the ocean-atmosphere interface, with key indicators such

1 views • 21 slides

Ocean basins are vast submarine regions that cover a significant portion of the Earth's surface, hosting the majority of the planet's water. These basins exhibit various features such as ocean ridges, deep-sea trenches, and seismic ridges. The ocean floor is constantly evolving due to plate tectonic

0 views • 18 slides

Sampling frames play a crucial role in surveys by providing a snapshot of statistical units needed for data collection. Key points include creating appropriate sampling frames, specifying target populations and variables of interest, and choosing the right statistical units based on the type of data

0 views • 20 slides

Statistical studies rely on samples to draw conclusions about populations, but the method of sampling can introduce biases. This text discusses convenience sampling, voluntary response sampling, random sampling, and the implications of biased sampling methods on study results. It highlights how bias

1 views • 12 slides

The World Ocean Council is an international alliance promoting leadership and collaboration among ocean industries for sustainable use and stewardship. By bringing together various sectors like shipping, oil/gas, fisheries, and tourism, the council aims to create a responsible ocean business communi

0 views • 22 slides

Understanding the importance of environmental surface sampling is crucial for ensuring hygiene and safety. This guide covers key aspects such as pre-sampling considerations, aseptic techniques, major sampling methods like RODAC plate, swab, and wipe methods, along with detailed procedures for each m

1 views • 16 slides

This resource provides valuable information on lead dust wipe sampling techniques for Lead Dust Sampling Technicians. It covers the objectives, measuring lead dust, sampling strategy, sampling locations based on EPA RRP Rule, and HUD clearance regulations. Techniques for taking dust wipe samples, id

2 views • 41 slides

This detailed guide outlines the procedures and protocols for meth residue sampling conducted by local health departments. It covers the reasons for sampling, the importance of qualified inspectors, testing methodologies, sampling kits assembly, and more. Key points include when and why sampling is

0 views • 19 slides

This content covers essential concepts of survey research, statistics, and sampling methods. It delves into elements of the sampling problem, technical terms, and how to select a sample for surveys. The discussions revolve around population parameters, sampling procedures, and the control of informa

1 views • 39 slides

Sampling in social research involves selecting a portion of a population to draw conclusions about the entire group. It helps save time, money, and allows for accurate measurements. The key principles of sampling include systematic selection, clear definition of sample units, independence of units,

0 views • 19 slides

Non-probability sampling involves selecting samples based on subjective judgment rather than random selection, leading to a lack of equal chances for all population members to participate. Various types include convenience sampling, quota sampling, judgmental sampling, and snowball sampling. Conveni

1 views • 7 slides

Discover the latest insights on air-sea heat flux, wind stress, and atmospheric ECVs at the OceanObs 19 conference in Hawaii. Engage with 1200 ocean observing scientists, program managers, and policy experts to chart the next decade of ocean observing and enhance international collaboration on ocean

1 views • 16 slides

In 1992, a crate of rubber duck toys fell into the Pacific Ocean, leading to unexpected discoveries about ocean currents and pollution. The North Pacific Gyre, home to the Great Pacific Garbage Patch, plays a crucial role in understanding ocean dynamics. Learn about ocean water properties, distribut

0 views • 10 slides

Exploring the concept of sampling in artificial intelligence, particularly in the context of Bayesian networks. Sampling involves obtaining samples from unknown distributions for various purposes like learning, inference, and prediction. Different sampling methods and their application in Bayesian n

1 views • 29 slides

Approximate inference methods in Bayes nets, such as random and rejection sampling, utilize Monte Carlo algorithms for stochastic sampling to estimate complex probabilities. Random sampling involves sampling in topological order, while rejection sampling generates samples from hard-to-sample distrib

0 views • 9 slides

This study explores the optimal ocean sampling strategy for Hurricane Isaac (2012) using high-resolution in-situ observations. It investigates the sensitivity of tropical cyclone intensity change through assimilation of AXBT, AXCTD, and AXCP observations. Results show significant impact areas along

0 views • 12 slides

Using the State Crime Lab's drug sampling protocols for defense involves understanding three sampling methods: administrative sample selection, threshold sample selection, and hypergeometric sampling plan. The hypergeometric plan allows experts to make assumptions about the chemical composition of u

0 views • 30 slides

Random sampling is crucial in statistical analysis to minimize sampling error. Sampling variability occurs due to chance when a random sample is surveyed instead of the entire population. Different units selected can lead to slightly varied estimates. It's important to understand and address samplin

1 views • 31 slides

NEMO (Nucleus for European Modeling of the Ocean) is a comprehensive software used for numerical simulation of the ocean. Its components include the blue ocean (NEMO-OPA) for dynamics, white ocean (NEMO-LIM) for sea-ice simulation, and green ocean (NEMO-TOP) for biogeochemistry. NEMO produces model

0 views • 10 slides

Non-probability sampling involves selecting samples based on subjective judgement rather than random selection. This method may not give all population members an equal chance to participate. Types include convenience sampling, quota sampling, judgemental sampling, and snowball sampling.

0 views • 7 slides

Explore key concepts in sampling such as probability and non-probability methods, sampling error, representativeness, and types of biases. Learn about the importance of sampling in research, theoretical variables, conceptualization, and operationalization. Evaluate different types of sampling proces

1 views • 20 slides

Non-probability sampling in nursing research involves selecting samples subjectively rather than randomly. This sampling method carries a higher risk of bias and limits statistical inference about the entire population. Five main types include convenience, purposive, quota, snowball, and voluntary r

0 views • 30 slides

Marine Physics is a sub-domain of oceanography focusing on physical conditions and processes in the ocean, including ocean waters' motions and properties. The ocean floor features various elements like the continental shelf, slope, rise, and abyssal plain. Sea mounts, guyots, abyssal hills, and mid-

0 views • 15 slides