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finlep [7]
3 years ago
11

A survey of a group of seventh graders and a group of teachers at a local middle school asked how many siblings they each have.

The dot plots below show the results.
Students
A dot plot titled Students. A number line going from 0 to 9 labeled number of siblings. There are 2 dots above 0, 4 above 1, 7 above 2, 5 above 3, 2 above 4, and 0 above 5, 6, 7, 8, and 9.

Teachers
A dot plot titled Teachers. A number line going from 0 to 9 labeled Number of siblings. There is 1 dot above 0, 3 dots above 1, 2 above 2, 4 above 3, 5 above 4, 3 above 5, 1 above 6, 0 above 7, 1 above 8, and 0 above 9.

Which compares the medians of the data?
The median for the students is 4 and the median for the teachers is 8.
The median for the students is 2 and the median for the teachers is 3.
The median for the students is 4 and the median for the teachers is 3.
The median for the students is 2 and the median for the teachers is 8.
Mathematics
2 answers:
lawyer [7]3 years ago
6 0

Answer:

B. The median for the students is 2 and the median for the teachers is 3.

Step-by-step explanation:

wolverine [178]3 years ago
4 0

Answer:

<u>The closest statement is B. The median for the students is 2 and the median for the teachers is 3.</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Number of students = 20

Siblings   0   1   2   3   4   5   6   7   8   9

Students  2  4  7   5   2   0   0   0   0  0

Number of teachers = 20

Siblings  0   1   2   3   4   5   6   7   8   9

Teachers  1  3  2   4    5   3   1   0   1   0

2. Which statement compares the medians of the data?

Let's recall that the median of a set of data (students or teachers) is the middlemost number in the set. The median is also the number that is halfway into the set. To find the median, the data should be arranged in order from least to greatest. If there is an even number of items in the data set, then the median is found by taking the mean (average) of the two middlemost numbers, the 10th and 11th values from left to right for the students and teachers.

Upon saying that, let's meet the median of the data sets provided:

Median for the students = 10th and 11th values/2

<u>Median for the students = (2 + 2)/2 = 2</u>

Median for the teachers = 10th and 11th values/2

<u>Median for the teachers = (3 +4)/2 = 3.5</u>

<u>The closest statement is B. The median for the students is 2 and the median for the teachers is 3.</u>

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Nine times the difference of a number and 4 is the same as the product of 2 and the same number plus 10. What is the number?
Bezzdna [24]

Answer:

The product of 10 and a number is = 10x Twice that number means 2x 36 less than twice that number= 2x-36. It is given that....The product of 10 and a number is the same as 36 less twice that same number

Step-by-step explanation:

5 0
3 years ago
Please help really need to pass
VashaNatasha [74]
First add 5 to right side
\frac{x}{7} = -4+5 = 1
Next , to cancel the 7, you need to multiply by 7 on both sides
x = 1*7 = 7
8 0
3 years ago
What is the algebraic expression for the following word phrase: the quotient of 8 and the sum of 3 and m?
serg [7]

we know that

the algebraic expression is equal to

\frac{8}{(3+m)}

therefore

<u>the answer is</u>

\frac{8}{(3+m)}


5 0
3 years ago
Read 2 more answers
Examine the system of equations.
SashulF [63]

Answer:

y=11

Step-by-step explanation:

Solve the system by substitution by setting the equations equal to each other.

y = 5x+6

y = x+10

It becomes 5x+6 = x+10. Solve for x using inverse operations.

5x+6 = x+10

4x+6 = 10

4x = 4

x=1

Substitute x=1 into one equation to find y.

y = x+10

y = 1 +10

y=11

6 0
2 years ago
Read 2 more answers
If f(x) = 2x2 + 3 and g(x)=x2-7, find (f- g)(x).
Len [333]

The difference of the given functions is x^2 + 10

<h3>Difference of functions</h3>

Given the following functions

f(x) = 2x^2 + 3 and

g(x)=x^2-7

Take the difference

(f-g)(x) = 2x^2 + 3 - (x^2 - 7)

(f-g)(x) = 2x^2 - x^2 +3 + 7

(f-g)(x) = x^2 + 10

Hence the difference of the given functions is x^2 + 10

Learn more on difference of function here:brainly.com/question/17431959

#SPJ1

5 0
1 year ago
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