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Scores on the Math SAT Are Normally Distributed σ\sigma A) (6362,105

question 37

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Scores on the math SAT are normally distributed. A sample of 23 SAT scores had a standard deviation s=79 . Construct a 95 % confidence interval for the population standard deviation σ\sigma


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A shop dedicated to the distribution of mobile phones and associated accessories.

Covariance

A measure indicating the extent to which two random variables change together, where positive values indicate a positive relationship and negative values indicate a negative relationship.

Variances

A measure of the dispersion of a set of data points around their mean value, indicating how spread out the data points are.

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A collection of financial investments like stocks, bonds, commodities, cash, and cash equivalents, including closed-end funds and exchange traded funds.

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