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storchak [24]
3 years ago
15

The data set gives the number of hours it took each of the 10 students in a cooking class to master a particular technique.

Mathematics
2 answers:
meriva3 years ago
7 0

Answer:   The best measure of center for this data set is <u>median</u> , and its value is <u>4.5</u> .

Step-by-step explanation:

The given data set : {5, 3, 5, 30, 4, 5, 4, 3, 4, 5}

We can see that it has an outlier (i.e. 30) which is extremely large from all the values.

We know that to measure the center of tendency we measure one of three things arranged in ascending order:

Mode< Median <Mean

But mean gets affected by outlier value.

Then the best measure of center for this data set must be Median.

For this, arrange given data set in order:

{3 ,3 ,4 ,4 ,4 ,5 ,5 ,5 ,5 ,30 }

Since , the number of data values = 10 (even)

Then , Median = Mean of two middle most numbers

\dfrac{4+5}{2}=4.5

Hence, the best measure of center for this data set is <u>median</u> , and its value is <u>4.5</u> .

iris [78.8K]3 years ago
4 0
4.5 thats the answer. Im just typing so its long enough blah blah blah

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Arturo bought some belts online for $73. He used a coupon code to get a 20%
Oksanka [162]

Answer:

The processing fee will cost $8.76

Step-by-step explanation:

the price after the discount:

20% = 0.2

100% = 1

1 - 0.2 = 0.8

0.8

$73 • 0.8 = $58.4

cost of processing fee:

15% = 0.15

$58.4 • 0.15 = $8.76

7 0
2 years ago
A group of adults and students went on a class trip to Washington, DC. The number of male students was 1 more than 7 times the n
Helga [31]
In equation, let x be the number of male students
a be the number of adults
y be the number of female students.
x= 7a+1
a= x/7 -1
y= x/2 or (7a + 1)/ 2

a + b = 82, let b be the number of students.
a + (x + y) = 82
a + [7a+1 + (7a+1)/2] = 82
a + [{2(7a+1) + 7a+1} / 2] = 82
a + [(14a +2 + 7a +1) / 2] = 82
a + [(21a + 3) / 2] = 82
(2a+ 21a + 3) / 2 = 82
(23a + 3) / 2 = 82
23a + 3 = 164
23a = 164 -3 
23a = 161
a = 7

x = 7(7) +1, 49+1 = 50 male students
y=x/2, 50/2, 25 female students

50(male students) + 25(female students)  + 7 (adults) = 82





8 0
3 years ago
A room is 20 feet long, 12 feet wide, and 10 feet high. What is the maximum distance from one corner to another
exis [7]

Answer:

25.38

Step-by-step explanation:

Its a 3-D block, so you have to find the distance from on corner to the opposite corner of the roof, but first find the distance from corner to corner on the floor.

20^2+12^2=c^2

400+144=544=c^2

c=\sqrt{544}

then find corner of floor to opposite roof corner.

100+544=644=c^2

c=\sqrt{644}

so its about 25.38 feet

4 0
3 years ago
Read 2 more answers
Can someone please help me with this question?
JulsSmile [24]
I believe that the correct answer C.
7 0
3 years ago
Elizabeth is draining the water from a public pool. The pool is being drained at a rate of 714 gallons per hour. Which graph app
Finger [1]
B
because its draing at a speed of 5000 with 714 plus I took the test and got it right
8 0
3 years ago
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