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sergejj [24]
2 years ago
13

11.) The sequence below shows the number of trees a nursery plants each year.

Mathematics
1 answer:
hjlf2 years ago
4 0

Answer:

A. ez

Step-by-step explanation:

_sequences_eoc_prep_solutions.pdf

SKATE OR DIE

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In a study published on January 31, 2011 in The Proceedings of the National Academy of Sciences, researchers randomly assigned 1
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d.

Step-by-step explanation:

Hello!

The objective of this test is to know if aerobic exercise modifies hippocampus activity. A random sample of 120 elderly men and women was taken and divided into two groups.

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Group 2: Did a variety of less aerobic exercises, including yoga and resistance training with bands.

After a year their brains were scanned showing that group 1 had an increase of 2% in their hippocampus and group 2 showed a decrease of 1.4%

a. True, this type of observational study can be the prelude to a more formal statistical study.

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c. True, the objective of this experiment is to test if there is any modification on hippocampus volume, that's why the volume of the hippocampus was measured, before and after a year of exercise.

d. False, this is an observational study, you cannot establish a causal relationship between the two variables. Just inform you that there seems to be an association. To be able to generalize the results to all elderly population you need a more formal statistical experiment to support your conclusions.

I hope it helps!

5 0
3 years ago
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Step-by-step explanation:

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aliina [53]
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