Boxes of cereal are labeled as containing 14 ounces. Following are the weights, in ounces, of a sample of 12 boxes. Assume that the population is normally distributed.





a. Find the sample standard deviation s.

b. Construct a 98% confidence interval for population standard deviation ?.


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What is the saturated dissolved oxygen concentration for water at sea level and 18ºC?

What will be an ideal response?

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As president, John Quincy Adams

A. was more successful than as secretary of state. B. was impeached by the House of Representatives, but he was acquitted by the Senate. C. was one of the least successful presidents in American history. D. put many of his supporters on the federal payroll. E. was successful in getting most of his programs enacted into law.

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The role of digestion is to reduce feed particles to molecules so than can be absorbed into the blood

Indicate whether this statement is true or false.

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What general category of workers includes soil managers, soil engineers, soil scientists, and soil researchers?

Soil conservationist.

What will be an ideal response?

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