Examlex
Middle C on a piano has a frequency of 262 Hz.Sometimes it is said that middle C is actually 28 = 256 Hz,and tuning forks are made with this frequency.How many beats per second would be heard if such a tuning fork were sounded simultaneously with the middle C of a (well-tuned) piano?
Empirical Rules
Statistical rules that allow for the determination of probability within a normal distribution, stating percentages of data that lie within certain standard deviations from the mean.
Standard Deviations
Measures of how spread out the numbers in a dataset are, indicating the degree of variation from the mean.
Observations
Individual data points or measurements collected during an experiment or survey.
Negatively Skewed
A distribution shape where the tail is longer on the left side of the distribution's peak, indicating that the bulk of the values are towards the right.
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