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lisabon 2012 [21]
3 years ago
12

Which scatterplot does NOT suggest a linear relationship between x and y?

Mathematics
1 answer:
Alchen [17]3 years ago
8 0

Answer:

???

Step-by-step explanation:

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It is possible to obtain a ""quick-and-dirty"" estimate of the mean of a normal distribution from the 50th percentile value on a
frozen [14]

Answer:

Step-by-step explanation:

It is possible to obtain a ""quick-and-dirty"" estimate of the mean of a normal distribution from the 50th percentile value on a normal probability plot, because normal distribution curve is symmetrical about its mean with 50% on either side of the mean. Also it is unimodal, with mean = median = mode. Because of symmetrical shape, and other special properties we can obtain estimate of mean as the 50th percentile of any normal distribution.

Also in normal distribution 34% lie between mean and 1 std deviation on right side/left side

This gives 84th percentile is got by taking the z value on right side of mean.

When we subtract 84th percentile value from the 50th percentile value we really get -1 times std deviation.  Hence to get std deviation actual value, without negative sign, we subtract (50-34) = 16th percentile from mean.

8 0
3 years ago
Polygon ABCD has vertices A(1,3), B(1,6), C(4,6), and D(5,2)
Galina-37 [17]

Answer: A (0.5, 1.5)   B(0.5, 3)    C(2, 3)    D(2.5, 1)

Step-by-step explanation:

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2 years ago
At a school, students may choose one entree, one vegetable, and one dessert for lunch. The choices are listed in the table.
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Would it be 24? (filler so it hits 20 characters)
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Annette [7]
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Explanation:
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Please write a equation for this table
Hitman42 [59]

Answer:

  y = 5x +2

Step-by-step explanation:

The point (0, 2) tells us the y-intercept is 2.

If we translate the table down 2 units by subtracting 2 from every y-value, it becomes ...

  6, 30

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We notice these values are all related by a factor of 5 (they are proportional). That means the equation will be a straight line with slope 5 and y-intercept 2.

  y = 5x +2

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2 years ago
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