Plot the data and identify outliers

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The following are quoted interest rates (%) on Italian bonds.

2.95, 4.25, 3.55, 1.90, 2.05, 1.78, 2.90, 1.85, 3.45, 1.75, 3.50, 1.69, 2.85, 4.10, 3.80, 3.85, 2.85, 8.70, 1.80, 2.87, 3.95, 3.50, 2.90, 3.45, 3.40, 3.55, 4.25, 1.85, 2.95

Plot the data; find µ, σ, and σ2; and identify outliers (one is private, the rest are banks and government).

Reference no: EM131369341

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