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SVEN [57.7K]
3 years ago
5

Place -1.25,0.1,2.9,-2.6 on a number line

Mathematics
1 answer:
aleksklad [387]3 years ago
6 0
Pretty simple just place them least to greatest

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tickets sold for a concert cost $3 for kids (x) and $5 for adults (y). the total amount earned was greater than $25. write an in
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3x + 5Y > 25
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4 years ago
An AC technician charges an inspection fee of $125 plus $55 for every labor hour. If Julie has a budget of
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hi

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so the answer is no longer than a friend of cord or something to you about it

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3 years ago
PLEASE HELP DUE AT MIDNIGHT
tatyana61 [14]

Answer:

268.1

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3 years ago
Height, in meters, is measured for each person in a sample. After the data are collected, all the height measurements
charle [14.2K]

Answer:

(E) The z-scores of the height measurements

Step-by-step explanation:

Mean is given by

\bar {x}=\frac{1}{n}\left(\sum _{i=1}^{n}{x_{i}}\right)=\frac{x_{1}+x_{2}+\cdots +x_{n}}{n}

Where,

n = Number of people

x_{i} = The heights of people

When converting m to cm the mean would be

\bar {x}=\frac{1}{n}\left(\sum _{i=1}^{n}{x_{i}}\right)\times 100

So, the mean would change

The median gives us the middle data value when the data values are in ascending order.

So, the median would change

Standard deviation

s=\sqrt{\frac{1}{N-1}\sum_{i=1}^{N}(x_i-\bar{x})^2}

When converting to centimeters

s=\sqrt{\frac{1}{N-1}\sum_{i=1}^{N}\left((x_i-\bar{x})\times 100\right)^2

Hence, the standard deviation would change

When converting to centimeters the maximum height in meters would be the maximum height in centimeters also.

The z score is given by

z=\frac{x-\mu}{\sigma}

where,

x = Data point

\mu = Mean

\sigma = Standard deviation

When converting to centimeters

z=\frac{(x-\mu)\times 100}{\sigma\times 100}\\\Rightarrow z=\frac{x-\mu}{\sigma}

Hence, the z score would remain the same

5 0
4 years ago
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