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2 years ago

8

What types of graphs group data values into classes?

1 answer:

miskamm [114]2 years ago

3 0

The type of graph that groups data values into classes is a histogram.

<h3>What is a histogram?</h3>

A histogram is used to represent data graphically. The histogram is made up of rectangles whose area is equal to the frequency of the data and whose width is equal to the class. The frequency is usually on the vertical axis while the class is usually on the horizontal axis. The class is a group assigned to numbers that are similar.

To learn more about histograms, please check: brainly.com/question/14473126

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Thus, option (c) is correct.

β = 61.5

Step-by-step explanation:

Given , $\sin (\frac{x}{2}+20x)=\cos(2x+\frac{15x}{2})$ , we have to solve for x, and then find the value of β ( β > α )

Consider $\sin (\frac{x}{2}+20x)=\cos(2x+\frac{15x}{2})$ ,

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Also, $\sin (90-\theta)=\cos \theta$ , we get,

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Other angle can be found using angle sum property, as sum of angle of a triangle is 180°

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Since ( β > α ) ⇒ β= 61.5 and α = 28.5

Thus, option (c) is correct.

⇒ β = 61.5

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