If the Frequency of a Violin String Is to Be

question 42

Multiple Choice

If the frequency of a violin string is to be increased by 20%,what change in tension must be applied?

• A)44%
• B)20%
• C)4.5%
• D)10%

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Definitions:

Pooled Variance

The weighted average of variances from two or more groups, assuming that these groups have the same variance.

Sampling Distribution

A sampling distribution is the probability distribution of a given statistic based on a sample, showcasing how that statistic would vary from one sample to another.

Sample Mean Difference

The difference in average values between two samples, used in hypothesis testing to compare group means.

Independent Samples

Samples that are collected from populations such that the selection of a sample does not influence the selection of the other.