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tigry1 [53]
3 years ago
6

2. Using the histogram above, determine the grade students scored with the highest frequency.

Mathematics
2 answers:
Verizon [17]3 years ago
5 0
Answer choice B
Hope this helps
Stels [109]3 years ago
3 0

Answer:

(2) The correct option is c. (3) The correct option is b. (5) The correct option is d. (6) The correct option is c.

Step-by-step explanation:

(2)

In the first figure 1, x-axis represents marks and y-axis represents the number of students or frequency.

From the given figure it is noticed that peak of the graph is 13 at 80-90.

Therefore correct option is c.

(3)

In a box plot left and right sides of the box represents Q₁ and Q₃ respectively. The line insides the box represents the median.

The lines extend from the left and right of the box to the adjacent values. These adjacent values are lower and upper limits of the data. The left adjacent value is known as lower limit and right adjacent value is known as upper limit.

Q_1=25\%

Q_2=50\%

Q_3=75\%

From the second figure it is noticed the 35 is the first quartile, it means 25% workers commute less than 35 minutes to work and 75% workers commute 35 minutes or more to work.

Therefore correct option is b.

(5)

Total number of observation is 10, which is an even number.

Q_1=\frac{n}{4}\text{th term}=\frac{10}{4}=2.5=3\text{th term}

Therefore Q₁ is the 3 term of the data. i.e 42.

Q_3=\frac{3n}{4}\text{th term}=\frac{3\times 10}{4}=7.5=8\text{th term}

Therefore Q₃ is the 8 term of the data. i.e 69.

Therefore correct option is d.

(6)

From the third figure it is notice that 88 is the median and 96 is third quartile of the data.

We know that Q_2=50\% and Q_3=75\%

Therefore the data between median and Q₃ is

Q_3-Q_2=75\%-50\%=25\%

Therefore correct option is c.

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I need some help on this math problem, thanks so much
bekas [8.4K]

Answer:

The answer is C.

Step-by-step explanation:

Hit 'em with the Law of Sines.

sin(A)/a = sin(B)/b.

Let's say x is equal to "A", thus 5 is "a".

sin(x)/5 = sin(B)/b.

We could go for the obvious choice for "B", which would be the 90 degrees shown. To solve for the hypotenuse which will be "b", let's use the Pythagorean Theorem:

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5^2 + 20^2 = c^2

25 + 400 = 425

sqrt(425) = about 20.6, which we can now substitute "b" with.

sin(x)/5 = sin(90)/20.6

sin(x)/5 = 1/20.6

sin(x)/5 = 0.04854...

sin(x) = 0.2427...

You can plug in sin^-1(0.2427) into your calculator, and you should end up with something like 14.047... which equates to answer choice C.

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3 years ago
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Answer:

This problem is acually really simple.

Step-by-step explanation:

all you have to do is replace the a with a 3. SO It would look like this:

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hope this helps :)

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Step-by-step explanation:

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