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xz_007 [3.2K]
2 years ago
13

A scientist wants to know if there is a meaningful difference between two groups of gels that grow bacteria. He randomly selects

five gels from each group, and counts the number of bacteria spots on each gel:
Group A: 9, 12, 13, 14, 17



Group B: 6, 5, 8, 13, 8



Is there a meaningful difference between the two groups? Show all calculations that lead to your answer.
Mathematics
1 answer:
Nimfa-mama [501]2 years ago
3 0

The difference between the numbers of group A and group B will be 3, 1, 1, 3 and -1, 3, 5, -5. Then there is no meaningful difference between the two groups.

<h3>What is subtraction?</h3>

It simply implies subtracting something from an entity, group, location, etc. Subtracting from a collection or a list of ways is known as subtraction.

A scientist wants to know if there is a meaningful difference between two groups of gels that grow bacteria. He randomly selects five gels from each group, and counts the number of bacteria spots on each gel:

Group A: 9, 12, 13, 14, 17

The difference between the numbers will be given below.

3, 1, 1, 3

Group B: 6, 5, 8, 13, 8

The difference between the numbers will be given below.

-1, 3, 5, -5

There is no meaningful difference between the two groups.

More about the subtraction link is given below.

brainly.com/question/4319655

#SPJ1

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Based on the scale, the actual length of the Golden Gate Bridge is  68,600 inches.

<h3>What is the actual length of the Bridge?</h3>

A scale drawing is a reduced form in terms of dimensions of an original image / building / object. The scale drawing is usually reduced at a constant dimension. An example of a scale drawing is a map.

The scale of a drawing is usually written in this format -  length in the drawing, a colon (:), then the matching length on the original image. An example of a scale is 1 : 19,600. This scale means that 1 inch of the postcard represents 19.600 of the original Golden Gate Bridge.

Actual length of the Bridge = scale x length of the bridge in the postcard

19,600 x 3.5 = 68,600 inches

To learn more about scale drawings, please check: brainly.com/question/26388230

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