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JulsSmile [24]
3 years ago
6

Describe how you could estimate thw IQR of the data set from a histogram

Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0

Answer: Once you put the numbers in order and find the median do the same process that you did to find the median to the left and right side of the median. Once you find the " median " of the left and right sides ( which are called the 1st and 3rd Quartiles ) You will subtract the 1st quartile from the 3rd Quartile and that will give you the IQR.

Step-by-step explanation:

bulgar [2K]3 years ago
6 0
<span>The first step would be to order the data from least to greatest, and then find the median. Once the median is found, one must calculate the median of both the lower, and upper half of the data. The IQR is found by determining the difference between the upper, and lower medians.</span>
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How do you find the slope and put it in slope intercept form
Anna11 [10]
To find the slope take your points, they should be (x1,y1) (x2,y2), proceed to subtract y2-y1 over x2-x1. after you calculate that simplify and put it in y=mx+B (the slope goes in the m position and x is usually left open)
6 0
3 years ago
A fast food restaurant sells two sizes of fries, small and large. On Friday they sold 24 fries
mihalych1998 [28]

Answer:

5:1

Step-by-step explanation:

So, we know that 20 fries were large, and 4 were small. So, we just set it up as 20:4 <em>(for every 20 large fries, there are 4 small ones)</em>. However, it needs to be simplified which results in 5:1.

Hope I helped!!

7 0
2 years ago
jennifer reads p pages every day . After 15 days , she has read 300 pages . write an equation to represent this situation
jeyben [28]

Answer:

20

Step-by-step explanation:

p = 1 day

300 = 15

300/15 = 20

Jennifer reads 20 pages per day

6 0
3 years ago
Read 2 more answers
A train traveled 1/5 of the distance between two cities in 3/4 hour. At this rate, how many hours will it take the train to trav
Dahasolnce [82]
1/5 is equal to the 20% of the trip and that took 45 minutes.
45minutes/20% of traveled distance = X minutes/ 100% travel distance
2.25 * 100= X
225= X
So if for the 1/5 or 20% of the trip lasted 3/4hour or 45 minutes. To complete the  trop you need 225 minutes or  3 hours and 45 minutes or 3 3/4 hours.
4 0
2 years ago
Read 2 more answers
at a maximum speed, an airolane travels 1680 miles against the windin 5 hours. Flying with the wind, the plane can travel the sa
Licemer1 [7]

Answer:

Plane Speed (x) = 378 mph

Step-by-step explanation:

Equation

d = r * t

Givens

With the wind

  • d = 1680 miles
  • t = 4 hours
  • r = x + y

Against the wind

  • d = 1680
  • t = 5 hours
  • r = x - y

Equation

The distances are the same, so you can solve for x in terms of y and then deal with the actual distance.

(x + y)*4 = (x - y)*5                   Remove the brackets on both sides

Solution

  • 4x + 4y = 5x - 5y                     Subtract 4x from both sides
  • 4y = -4x + 5x - 5y                    Combine
  • 4y = x - 5y                               Add 5y to both sides                      
  • 5y + 4y = x
  • x = 9y

Solution part 2

Now take one of the distance formulas and solve for x first then y.

  • (x - y)*5 = 1680               Substitute 9y for x
  • (9y - y)*5 = 1680             Subtract on the left
  • 8y * 5 = 1680                  Multiply on the left
  • 40y = 1680                     Divide by 40
  • y = 1680/40            
  • y = 42                             That's the speed of the wind.
  • (x - y)*5 = 1680               Substitute the wind speed for y
  • (x - 42)*5 = 1680             Divide both sides by 5
  • (x - 42) = 1680 / 5            Do the division on the right
  • (x - 42) = 336                   Add 42 to both sides.
  • x = 336 + 42
  • x = 378 mph                    Plane's speed

7 0
3 years ago
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