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jasenka [17]
2 years ago
9

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. They randomly

assigned 20 participants to either a control group or a relaxation training group and recorded the change in number of headaches each group reported the week before training to the week after training (the control group received no training). Which statistical analysis would we perform to see whether the training helped the participants in that group as compared to the control group
Mathematics
1 answer:
wolverine [178]2 years ago
3 0
A line graph or a chart table
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topjm [15]

Answer:

1: something because you didn't give another number. For example, 1:2 is 1 golf ball to 2 golf tees. A ratio is one thing comparing to another. Hope this helps! I learned this in 6th grade. Brainly if so!

Step-by-step explanation:

6 0
3 years ago
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The mean volume for a bottle of cologne is 4 ounces and the standard deviation is 0.22 ounces. A random sample of 121 bottles is
adelina 88 [10]

Answer:

The standard error of the mean is 0.02

Step-by-step explanation:

Here, we want to calculate the standard error of the mean.

Mathematically;

standard error of mean = SD/ √n

where SD is the standard deviation and n is the number of samples

From the question, SD = 0.22 and n = 121

Inserting this into the equation

Standard error of the mean = 0.22/√121

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6 0
3 years ago
How do i solve -3x-5=10
natulia [17]

Answer:

x= -5

Step-by-step explanation:

Add 5 to both sides

-3x -5+5 = 10 +5

-3x = 15

Divide both sides by -3.

-3x/-3= 15/-3

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8 0
2 years ago
Find the length between (1, 3) and (5, 6)
ipn [44]

Answer:

5

Step-by-step explanation:

6 0
2 years ago
Expression 1:
e-lub [12.9K]
1. Did it mentally think it’s 16. Make sure to yield to order of operations.
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2 years ago
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