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3 years ago

Changing all of the values in a data set in the same way is called transforming the data. True or False

Mathematics

2 answers:

Eva8 [605]3 years ago

7 0

Answer: The answer is YES.

Step-by-step explanation:

We are asked whether changing all the values in a data set in the same way is called transforming the data. The answer to this question is YES.

We define transformation of a data in the following manner.

In data analysis, transformation of data is defined as the replacement of a variable by a function of that variable.

For example, if we replace a variable x by the square root of x or the logarithm of x, then the new data will be called as transformed one.

If we have a data 4, 9, 16, 25, 36, then we can tranform this data to 2, 3, 4, 5, 6 by applying the square root function to each of the member.

In other language, a transformation is a replacement that changes the shape of a distribution or relationship.

Thus, the answer is YES.

Yuliya22 [10]3 years ago

5 0

Answer: True

Step-by-step explanation:

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4 years ago

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A 4 wheeler that travels 52 miles on 5 gallons of gasoline. A second 4 wheeler travels 21 miles on 2 gallons of gasoline which c

nalin [4]

Answer:

The second 4 wheeler gets better mileage

Step-by-step explanation:

First 4 wheeler:

52mi - 5gal

Second 4 wheeler:

21mi - 2 gal

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5÷2 = 2.5

so,

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3 years ago

A marketing research company desires to know the mean consumption of milk per week among males over age 32. A sample of 710 male

nydimaria [60]

Answer:

(4.5, 4.7)

Step-by-step explanation:

Hi!

Lets call X to the consumption of milk per week among males over age 32. X has a normal distribution with mean μ and standard deviation σ.

$X \sim N(\mu, \sigma)$

When you know the population standard deviation σ of X , and the sample mean is $\hat X$ , the variable q has distribution N(0,1):

$q = \frac{\hat X - \mu}{\sigma} \sim N(0,1)$

Then you have:

$P(-k < q$

This defines a C - level confidence interval. For each C the value of k is well known. In this case C = 0.98, then k = 2.326

Then the confidence interval is:

$(4.6 - 2.326*\frac{0.8}{\sqrt{710}}, 4.6 + 2.326*\frac{0.8}{\sqrt{710}})\\ (4.5, 4.7)$

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4 years ago

A line crosses through the points (0,2) and (-10, -16) Which of the following is the slope of the line?

Elodia [21]

Answer:

9/5

Step-by-step explanation:

The slope between the two points can be found by ...

m = (y2 -y1)/(x2 -x1)

m = (-16-2)/(-10-0) = -18/-10

m = 9/5

The slope of the line is 9/5. Perhaps this is a match to choice A.

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3 years ago