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The maker of a shampoo knows that customers like this product to have a lot of foam. A sample of a few bottles of the

The maker of a shampoo knows that customers like this product to have a lot of foam. A sample of a few bottles of the product are selected at random and the foam heights observed are as follows (in millimeters). Find 99% confidence interval of the mean foam height.

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210 215 194 195 211 201 198 204 208 196

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