The Diagram Shows Two Small Paramagnetic Spheres, One near Each

question 8

Multiple Choice

The diagram shows two small paramagnetic spheres, one near each end of a bar magnet.Which of the following statements is true?

• A)The force on 1 is toward the magnet and the force on 2 is away from the magnet
• B)The force on 1 is away from the magnet and the force on 2 is away from the magnet
• C)The forces on 1 and 2 are both toward the magnet
• D)The forces on 1 and 2 are both away from the magnet
• E)The magnet does not exert a force on either sphere

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Definitions:

Statistical Populations

The complete set of subjects or items that are of interest in a statistical study.

Absolute Differences

The total difference between numbers or values, disregarding the direction of difference.

Wilcoxon Signed Rank Sum Test

A non-parametric statistical test used to compare two paired groups, assessing whether their population mean ranks differ.

P-value

The probability of observing results at least as extreme as those measured, assuming the null hypothesis is true.