The Net Weights (In Grams) of a Sample of Bottles

question 103

Multiple Choice

The net weights (in grams) of a sample of bottles filled by a machine manufactured by Edne, and the net weights of a sample filled by a similar machine manufactured by Orno, Inc., are: Testing the claim at the 0.05 level that the mean weight of the bottles filled by the Orno machine is greater than the mean weight of the bottles filled by the Edne machine, what is the critical value oft? Assume equal standard deviations for both samples.

• A) +2.179
• B) +2.145
• C) +1.782
• D) +1.761

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Definitions:

Seawater

The saltwater that makes up the oceans and seas, covering more than 70% of the Earth's surface.

Sediment

Particles of organic or inorganic matter that settle out of suspension in water, air, or ice, and accumulate in layers on the earth's surface.

Energetic Current

Refers to a strong, dynamic movement of water, often in the ocean, that can transport sediments and influence marine and coastal processes.

Moving

The act or process of changing location or position.