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2 years ago

What is the interquartile for this set of data? 11,19,35,42,60,72,80,85,88

Mathematics

1 answer:

exis [7]2 years ago

4 0

Answer:

55.5

Step-by-step explanation:

find the median - in this case it's 60

then group the upper and lower halves of the data:

(11, 19, 35, 42) 60 (72, 80, 85, 88)

now we find the medians of those sets:

35 + 19/2 = 54/2 =27

80 + 85/2 = 165/2 = 82.5

then subtract those two medians to find the interquartile:

82.5 - 27 = 55.5

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Approximate the value of each expression shown. Explain your reasoning. a.√ 38 b. √ 79

Nutka1998 [239]

a.√ 38 = $6.164$

b. √ 79 = $8.888$

Step-by-step explanation:

Here we have , to find Approximate value of each expression shown.

We know that , A square root of a number is a value that, when multiplied by itself, gives the number. Example: 4 × 4 = 16, so a square root of 16 is 4. Note that (−4) × (−4) = 16 too, so −4 is also a square root of 16. The symbol is √ which always means the positive square root. Example: √36 = 6 (because 6 x 6 = 36)

a.√ 38

We know that value of √36 = 6 , and here we have √ 38 which value will be slightly greater then 6 Let's find out:

⇒ $\sqrt{38}$

⇒ $6.164$

b. √ 79

We know that value of √81 = 9 , and here we have √ 79 which value will be slightly less then 9 Let's find out:

⇒ $\sqrt{79}$

⇒ $8.888$

In order to find approximate value of any square root first find the nearest complete square root for that number i..e for $\sqrt{79}$ , we find that √81 = 9 that means $\sqrt{79}$ will be nearly 9 but slightly less then it and so we can guess that it must be 8.8 or 8.9 something and this is how we guess the approximate value for any square root .

7 0

2 years ago

What is the measure of angle D?

exis [7]

Answer:

Step-by-step explanation:

the answer is 52 because all the angles have to add up to 360 and 128+126+54=308 and 360-308=52

6 0

2 years ago

Read 2 more answers

The average body temperature of all healthy adults is 98.6 F. A doctor takes a random sample of 100 healthy adults and records t

Yuliya22 [10]

Answer:

Explained below.

Step-by-step explanation:

A parameter is a valuable element of statistical analysis. It denotes the characteristics that are used to define a given population. It is used to define a particular attribute of the population. For instance, population mean, population standard deviation, population proportion and so on.

The parameter of interest is the average body temperature of all healthy adults, μ = 98.6°F.

While making a statistical conclusion about the population under study, the parameter value is unknown. This is because it would not be possible to gather data from every single member of the population. So a sample is selected from the population to derive a conclusion about the parameter.

A statistic is the value of the characteristics that are computed using this sample. For instance, sample mean, sample standard deviation, sample proportion and so on.