Spatial Sampling and Interpolation

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Sampling and Inverse Distance Weighting

This Arc Project shows how we can create random points in Arc and use them collect samples. It also shows how we can run inverse distance weighting and highlights the influence of sample size and sampling method.

TopHat Question 5

Stratified sampling is an unbiased sampling method.

• True
• False

TopHat Question 6

Spatial ___ is a way to “fill in the blanks”. We can it to estimate the values of a continuous field (raster) from samples at point locations.

• Extrapolation
• Interpolation
• Explanation
• Interpretation