By How Many Newtons Does the Weight of a 100-Kg

question 16

Multiple Choice

By how many newtons does the weight of a 100-kg person change when he goes from sea level to an altitude of 5.0 km if we neglect the earth's rotational effects? (The mean radius of the Earth is 6.38 × 10⁶ m, G = 6.67 × 10^-11 N ∙ m²/kg².)

• A) -0.60 N
• B) -1.5 N
• C) -2.6 N
• D) -3.6 N
• E) -5.2 N

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Definitions:

Wilcoxon Signed Rank Test

The Wilcoxon Signed Rank Test is a non-parametric statistical test for comparing two matched or paired samples to assess whether their population mean ranks differ.

Test Statistic

A calculated value from data that is used to test a hypothesis in the context of statistical analysis, helping determine the probability of observing the given data under the null hypothesis.

Observations

Refers to the individual points or pieces of data collected during a study or research.

Two-Tailed Test

A statistical test that considers the possibility of an effect in two directions, both above and below the mean.