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BlackZzzverrR [31]
3 years ago
9

PLZ HELP ASAP!

Mathematics
2 answers:
gladu [14]3 years ago
7 0

Answer:

B. Median

Step by step explanation:

We have been given a stem and leaf plot and we are asked to find which measure is most appropriate to describe the center of the data in our plot.

First of all we will write our given data and see type of our data.

5, 6, 10, 12, 13, 13, 14, 21, 42, 51

We can see from our data that our data is not equally distributed. Our data is skewed to right.  

Let us see our given options one by one.  

A. Inter-quartile range is known as mid spread and represents middle 50% of data. It is a measure of variability, therefore, option A is not a correct choice.

B. Since we know that median is the best central tendency to measure a skewed data. Therefore, median is the best measure for the center of our data and option B is the correct choice.  

C. Mean is best central tendency to measure a data set which is not skewed, therefore, option C is not a correct choice  as well.

D. Range is used to measure the spread of data. It is the difference between upper and lower values in the data set. Therefore, option D is not correct choice.

Karo-lina-s [1.5K]3 years ago
4 0
Median as your finding the centre i.e the middle 
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1. (-14)(-11)=
omeli [17]

Step-by-step explanation:

1. 154 ( as ( - ) ( - ) = ( + )

2. option B is correct

3. - 29

4. 26

5. 60

6. 1

<em>hope </em><em>this</em><em> answer</em><em> helps</em><em> you</em><em> dear</em><em>.</em><em>.</em><em>.</em><em>.</em><em>mau </em><em>u </em><em>have </em><em>a </em><em>great </em><em>day </em><em>ahead</em><em> </em><em>take </em><em>care</em><em>!</em>

8 0
3 years ago
Can anybody give me the answers to these questions
zhannawk [14.2K]

Answer:

830 cents

5n + p

Step-by-step explanation:

Given that :

Number of nickels = 140

Number of pennies = 130

Total coins :

140 nickels + 130 pennies

1 nickel = 5 cent

1 penny = 1 cent

Hence,

140(5) + 130(1)

700 + 130

= 830 cents in total

If :

number of nickels = n

Number of pennies = p

Tot coins :

5n + 1p

5n + p

6 0
3 years ago
What do the vertical lines mean?
zhenek [66]
The vertical lines are absolute values, the number in between them, if negative turns positive.
3 0
3 years ago
Which of the two is correct? Explain why, including pointing out any mistakes that were made.
Norma-Jean [14]
The correct way to solve this equation would be:
7=5+3(x-4)
Distribute the Brackets.
3*x=3x
3*4=12
7=5+3x-12
Add like terms.
7=-7+3x
Add 7 to both sides.
(7)+7=(-7+3x)+7
14=3x
Divide both sides by 3.
(14)/3=(3x)/3
4.6667 or 14/3 =x

Both answers are incorrect.
Some the significant mistakes:
-Didn't follow BEDMAS
-How did 7=8(x-4) turn into 78=x-4?

Hope this helps.
-Benjamin
4 0
3 years ago
Which of the following is a measure used to describe the typical distance of a
uysha [10]

Answer:

The correct answer is: Option C: Standard Deviation

Step-by-step explanation:

In a dataset, there are several methods that are used to determine the attributes of the data. One of them is standard deviation.

Deviation is derived from the word "Deviate" which means to move far.

Standard deviation is used to measure the distance of a data value from the mean i.e. how far a data value is from mean.

Hence,

The correct answer is: Option C: Standard Deviation

5 0
3 years ago
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