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shepuryov [24]
3 years ago
12

Replacing only the minimum value in a data to a smaller number will change the median

Mathematics
2 answers:
Mamont248 [21]3 years ago
7 0

Solution:

we have been asked to find that whether the given statement is True or False.

Replacing only the minimum value in a data to a smaller number will change the median....FALSE

As we know the median is caluclated by arranging the given numbers in ascending/descending order. The we choose the middle one as a median if total number of numbers are odd. But if toal numbers of numbers are even then we take the average of the middle two and that average is the median.

So if we you are going add a number in the given set of numbers then surely the median is going to change, irrespective of the vaue of the number.

Hence the given statement is  False.

irakobra [83]3 years ago
5 0
This is false my dude.
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2 years ago
What is the z-score of a newborn who weighs 4,000 g?.
vagabundo [1.1K]

The z-score of the considered newborn having 4,000 g weight is \dfrac{4000 - \mu}{\sigma}

<h3>How to get the z scores?</h3>

If we've got a normal distribution, then we can convert it to standard normal distribution and its values will give us the z score.

If we have

X \sim N(\mu, \sigma)

(X is following normal distribution with mean \mu and standard deviation  \sigma)

then it can be converted to standard normal distribution as

Z = \dfrac{X - \mu}{\sigma}, \\\\Z \sim N(0,1)

(Know the fact that in continuous distribution, probability of a single point is 0, so we can write

P(Z \leq z) = P(Z < z) )

Also, know that if we look for Z = z in z tables, the p value we get is

P(Z \leq z) = \rm p \: value

For the considered case, the statement in the problem is missing the mean weight of the newborn and standard deviation of the data set of weights of newborn.

Thus, for them, we can consider variables in place of their actual values.

Let we have:

  • X = weights of newborns for some considered system (in grams)
  • \mu = mean weight of newborns (in grams)
  • \sigma = standard deviation of the data set of weights of newborns

Then, the z-score for X = 4000 is

z = \dfrac{x - \mu}{\sigma} = \dfrac{4000 - \mu}{\sigma}

Thus, the z-score of the considered newborn having 4,000 g weight is \dfrac{4000 - \mu}{\sigma}

Learn more about z-scores here:

brainly.com/question/13299273

3 0
2 years ago
One sixth plus negative seven ninths
OLga [1]

Answer:

-11/18

Step-by-step explanation:

1. find the common denominator. this should be 18

2. multiply 1 by 3 and -7 by 2

3. you should now have a fraction that says 3/18-14/18

4. now subtract these two fractions.

5. your answer should be -11/8

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Please answer these 4 math questions for me! Pretty easy! need then ASAP!!!!! I have to get them right or my life is doomed! (ca
Paul [167]
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4 0
3 years ago
Please help me thanks
Mariulka [41]
The answer is D.

Since the two triangles are congruent, they would have equal angles.

The reason why the other answer choices are wrong...

A) ∠S is equal to ∠Y, not ∠Z.
The angle that is equal to ∠Z is ∠T.

B) Line ST is equal to Line YZ, not Line XZ.
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C) Line RS is equal to Line XY, not Line ST.
The Line that is equal to Line ST is Line YZ.



Hope this helped! Brainliest is always welcome :)
8 0
3 years ago
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