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Musya8 [376]
3 years ago
9

The 18 faculty members in a college math department range in age from 32 to 68. A stem plot follows: The first and third quartil

es of the ages of the faculty members are: Group of answer choices

Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0

Answer:

Q_{1}=39, \:and\: Q_{3}=58

Step-by-step explanation:

1) This Stem and Leaf plot works like a Histogram. Completing the question, check below the Stem plot. Look the data out of the Stem plot and within (in the graph below)

32, 34 , 38 , 39 , 39 , 40 , 43 , 45 , 46 , 49 , 53 , 54 , 57 , 58 , 59 , 59 , 63 , 68

2) Notice how the first digit is on the Stem column (check below)

3) To find the first and Third Quartiles

Let's use the formulas to find the position, then the value. As it follows:

Q_3=\frac{3}{4}(n+1) \Rightarrow  Q_3=\frac{3}{4}(18+1) Q_3=14.25 \approx14th =58

Q_1=\frac{(n+1)}{4} \Rightarrow Q_1=4.75 th \approx Q_1 =5th =39

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Answer:

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Step-by-step explanation

The equation in slope intercept form is expressed as y = MX+c

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Given the line x-y =9

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y = x-9

Slope of the line is 1

Since it is parallel to the given line, the slope o the required line is also 1

Substitute m = 1 adnd (4,5) into the point slope form

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y - 5 = 1(x-4)

y-5 = x-4

y= x-4+5

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3 years ago
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pshichka [43]
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2 years ago
Arnoldo needs to write this system in slope-intercept form. Which shows how he could do that?
Jobisdone [24]

Answer:

y =  \frac{3}{2}x - 3

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Step-by-step explanation:

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The slope intercept form is y=mx+c.

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For 0.4(20y+15)=x, we expand to get:

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Therefore the system in slope-intercept form is:

y =  \frac{3}{2}x - 3

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3 years ago
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Answer:

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2 years ago
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3 years ago
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