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PilotLPTM [1.2K]
3 years ago
9

A gardener wants to compare the heights of plants in two gardens that are watered using different tools. The heights, in centime

ters, for a group of plants in the two gardens are shown.
Plant Heights (cm) in Garden A: 15, 17, 17, 19, 19, 20, 21, 22, 22, 22, 22, 23, 23, 24, 24, 24, 26, 28, 29, 29, 30
Plant Heights (cm) in Garden B: 10, 20, 20, 20, 21, 21, 21, 22, 23, 24, 25, 25, 25, 25, 26, 26, 26, 27, 30, 31, 32
What is the best measure of center for comparing the two data sets and what comparison can be drawn?
Mathematics
1 answer:
ryzh [129]3 years ago
3 0

Garden A: 24.05cm ( add all the numbers(=457)and divide by the amount of numbers (19))

Garden B: 22.85cm ( add all numbers (=480) divide by amount of numbers (21))

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A study claims that the combination of vitamin C with vitamin E is more effective for preventing the flu than vitamin C alone. I
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1) In this study, the control group is the first group of 310 subjects that were instructed to take only 600 mg daily of vitamin C. (Option C; that is, group 1).

2) The study is not Blind (Option C).

In an experimental setup to test a theory, A control group is the set of experimental participants that the theory to be tested isn't applied upon.

In the case of testing a new treatment, the control group is the group that the new treatment isn't administered.

For this question, the experiment was set up to test the effectiveness of a combination of vitamin A and vitamin E in treating flu cases rather than using vitamin C alone. Group A is the only group that only the old treatment alone is applied to; group 1 participants received no dosage of the new combination of treatments to be tested involving vitamins A and E, unlike the two other groups.

It is obvious now why the experimental participants of group 1 are the control group.

2) A blind experiment/study is one in which the participants don't know which group they belong to, whether they are in the control group or the other experimental group. Like in this case, if this was a blind study, the participants wouldn't know which group they belonged to or which treatment is administered to them.

A double-blind experiment/study is one in which both the conductors of the experiment and the participants in the experiment wouldn't know which group any participant is in. The conductors wouldn't know which participants were in the control or treatment group and the participants too wouldn't have an idea whether they are in the control or treatment group.

To learn more about the vitamin visit: brainly.com/question/24324739

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1 year ago
In the number 777.77 how does the value of 7 in the tenths place compare to the value of 7 in the hundredths place
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Step-by-step explanation:

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53 + 53 + 47 + 47 + 70 =<br> Solve And u get 40 points
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Answer:

the answer ur looking for is 270

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