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2 years ago

Help !? i don’t know how to do this

Mathematics

2 answers:

kari74 [83]2 years ago

8 0

The slope is 5/2 and connect the two points in a triangle form

ozzi2 years ago

4 0

Answer:

y=7/2x+2 <---- slope intercept form

Step-by-step explanation:

I can't draw the slope triangle but I can give you the equation.

So use the 2 given points, (2,9) and (4,16)

find the slope by using the slope formula

y2-y1/x2-x1

enter the points in

16-9/4-2=7/2

slope=7/2

y=7/2x+b

enter one of the points in (2,9)

9=7+b

b=2

y=7/2x+2

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3 years ago

A set of scores ranges from a high of x = 96 to a low of x = 11. if these scores were placed in a grouped frequency distribution

bazaltina [42]

There is no hard and fast rule to select the class width. It largely depends on our application.However, one thing that should be kept in mind is that the number of classes should neither to be too low nor too high. So keeping this thing in mind, the class width is select.

The range of the data is = Maximum- Minimum = 96 - 11 = 85
10 classes will be most suited for this data.

The class width for each data can be calculated as:

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So, the best value of class width or interval width for the given data will be 9.

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3 years ago