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IrinaVladis [17]
3 years ago
14

How do you solve this?Please explain.

Mathematics
2 answers:
Readme [11.4K]3 years ago
8 0

Answer:

first you take the square root or 0.9, 2.7, 1.7, and 0.4 which will equal=

0.9= ~0.94

2.7=~1.64

1.7=~1.30

0.4=~0.63

0.94 - 1.64 + 1.30 + 0.63 = 1.23

hope this helps! C:


Anni [7]3 years ago
6 0

Answer:

1.<u>2</u>

Step-by-step explanation:

A line over a number indicates that it is the last significant figure in a measurement.

It is difficult in ordinary typing to put a line over a digit, so I will use an underline instead.

A common rule is that the square root of a number contains the same number of significant figures as are in the number itself.

In all operations, you should carry one extra digit as a guard digit, to avoid roundoff errors.

Then,

  √0.<u>9</u> =  0.<u>9</u>5

 -√2.<u>7</u> =  -1.<u>6</u>4

 +√1.<u>7</u> =   1.<u>3</u>0

+√0.<u>4</u> = <u>0.63</u>

               1.<u>2</u>4

We round off the answer to one digit past the decimal point, so the final answer is 1.<u>2</u>.

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steposvetlana [31]

Answer:

Range = 58

Mean = 25.81

Median = 17

Mode = 2, 9, 11, 12, 16, 17, 18, 41, 48, 50, 60

Upper Quartile = 11

Lower Quartile = 48

Step-by-step explanation:

Start by putting all of the values in order from least to greatest.

16, 18, 12, 9, 17, 2, 41, 48, 50, 60, 11

becomes

2, 9, 11, 12, 16, 17, 18, 41, 48, 50, 60

Range

The range is the difference between the highest and lowest value. So in this case, it's 58, because 60 - 2 = 58

Mean

The mean is another word for the average. To calculate the average, add all of the values and divide the sum by the number of values.

2 + 9 + 11 + 12 + 16 + 17 + 18 + 41 + 48 + 50 + 60 = 284

There are 11 values, so divide the sum (284) by 11:

284 / 11 = 25.8181818.

That rounds to 25.81

Median

The median is the middle value of the data set.

In 2, 9, 11, 12, 16, 17, 18, 41, 48, 50, 60 the middle value is 17. It has 5 values on each side of it.

Mode

The mode is the number that appears the most in the data set. Each value only appears once, so the mode is the entire list of numbers. 2, 9, 11, 12, 16, 17, 18, 41, 48, 50, 60

Upper Quartile

The upper quartile of a data set is the median of the numbers that are to the left of the median for the entire data set. The median is 17, so the numbers to the left are 2, 9, 11, 12, and 16. The median of those is 11 because it is in the middle. So the upper quartile is 11.

Lower Quartile

The lower quartile is found the same way the upper quartile is, but it's the median of the numbers to the <em>right</em>. The numbers to the right of 17 are

18, 41, 48, 50, and 60. The median of those is 48 because it's in the middle. So the lower quartile is 48.

5 0
3 years ago
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