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4 years ago

The sets of data below show the heights, in inches, of students in two different preschool classes.

Mathematics

1 answer:

MAXImum [283]4 years ago

6 0

Answer:

Because the sets do not contain outliers, the MAD should be used to compare the data sets.

Because the sets are not symmetrical, the IQR should be used to compare the data sets.

The mean and mode cannot be accurately determined based on the type of data display.

Step-by-step explanation:

Outliers are points besides whisker limits

In symmetrical box plots, distance between Q1 and Q2 is equal to distance between Q2 and Q3

Box plots don't show mode and mean

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A 12 cm x 2 cm rectangle sits inside a circle with radius of 8 cm.

hammer [34]

Answer:

Diagram was not given.

Still I had drawn it, hope may it will helpful to you. So as per my diagram I had solved the sum.

The area of the shaded region is 176.96 ≈ 178 cm²

Step-by-step explanation:

Given:

radius of the circle = r = 8 cm

length of the rectangle = L = 12 cm

breadth of the rectangle = B = 2 cm

To Find:

Area of shaded region = ?

Solution:

$\textrm{Area of rectangle} = Length\times Breadth\\= L\times B\\= 12\times 2\\= 24\ cm^{2}$

$\textrm{Area of Circle} = \pi \times (radius)^{2} \\=\pi \times r^{2}\\=3.14\times 8^{2}\\=200.96\ cm^{2}$

Now, The Area of Shaded region will be

$\textrm{Area of Shaded region}=\textrm{Area of Circle}-\textrm{Area of Rectangle}\\=200.96 - 24\\=176.96\ cm^{2} \\=178\ cm^{2}\........... \textrm{Rounded to tenth}$

The area of the shaded region is 176.96 ≈ 178 cm²

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