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3 years ago

Swati recorded this data set, which contains an outlier.

2 answers:

7 0

Answer: To find the answers to this item, we are to arranged the given data points in increasing order. The arrangement would be,

97, 163, 169, 175, 184, 199

The lower quartile is the median of the lower half of the data points. In this case, 97, 163, 169. The median is equal to 163.

The upper quartile is the median of the upper half of the data points. In this case, 175, 184, 199. The median is equal to 184.

Hence, the answers to this item is that lower quartile is equal to 163 and upper quartile is equal to 184. The first option.

Step-by-step explanation:

nevsk [136]3 years ago

5 0

Answer:

l 163

u 172

please give me Brainliest

Step-by-step explanation:

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What is the value of x?

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There are 870 boys and 800 girls in a school

alina1380 [7]

Answer:

1060

Step-by-step explanation:

Given:

No. of boys = 870

No. of girls = 800

Probability that a boy chosen studies Spanish = $\dfrac{2}{3}$

Probability that a girl chosen studies Spanish = $\dfrac{3}{5}$

the number of boys in the school who study Spanish :

$\dfrac{2}{3}\times 870=290\times 2=580$

the number of girls in the school who study Spanish :

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Therefore, total number of students who study Spanish would be :

480+580=1060

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3 years ago

The perimeter of a shape is 25.71 cm calculate the value of the radius X takes pie to be 3.142

Mariulka [41]

Answer:

5 cm

Step-by-step explanation:

Given a semicircle with perimeter 25.71 cm, we are required to find the radius of the circle.

Circumference of a Semicircle

=Length of the Circular part+Length of the diameter

$=\pi r+2r$

$If \: \pi=3.142, C=25.71\\Then:\\25.71=3.142r+2r\\r(3.142+2)=25.71\\5.142r=25.71\\r=25.71 \div5.142\\r=5cm$

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2 years ago