In Order to See Which Variety of Apple Tree Produces

question 712

Multiple Choice

In order to see which variety of apple tree produces more fruit, a farmer sets up an experiment. He
Has three plots of land with different soil and natural water availability. Each plot has room for
Eight trees. The farmer randomly selects four locations in each plot for the first variety of tree and
The other four get the second variety. This experiment is…

• A) randomized block, blocked by variety of tree
• B) randomized block, blocked by plot of land
• C) completely randomized with one factor: the variety of tree
• D) completely randomized with two factors
• E) completely randomized with one factor: the plot of land

Calculate the Wilcoxon rank sum test statistic and its standardized value (z).

Understand the impact of tied observations on the distribution of the Wilcoxon rank sum.

Interpret and calculate the expected value and standard deviation of the Wilcoxon rank sum test statistic under the null hypothesis.

Formulate null and alternative hypotheses for the Wilcoxon test based on the difference in medians.

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Definitions:

Continental Crust

The thick part of the Earth's crust that forms the continents, characterized by its buoyancy and primarily granitic composition.

Passive Margin

A type of continental margin that is not an active plate boundary, characterized by little volcanic and earthquake activity.

Indonesian Earthquake

A seismic event occurring in Indonesia, a country prone to earthquakes due to its location on the Pacific "Ring of Fire."

Tsunami

A large sea wave produced by uplift, subsidence, or some other disturbance of the seafloor, especially by a shallow submarine earthquake.