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3 years ago

Why is the mean greater than the median in right skewed?

1 answer:

6 0

Right skewed makes a bar graph table have a right tail, meaning the left-side of the data is higher than that of the left-side. The median does not change based on the size of the data but the mean does because the left-side of the data has grown, when you add them all together and divide by the number of data sets, it will be larger by a certain amount.

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Sarah answered 24 questions on her test correctly and earned an 80%. How many questions were on the test?

MaRussiya [10]

Answer:

43 questions in total

Step-by-step explanation:

the original equation with the unknown (total number of questions on the test) will look like this

$\frac{total \: number \: of \: questions \: on \: exam}{24 \: answered \: questions} = 80\%$

we know this because to work out a percentage in the 1st place you need the total ÷ number (in this case it's ÷ how many questions out of the total she did answer)

now you rearrange.

you need to move the 24 to get the total on it's own here's how you do it

$\frac{tot \: num \: of \: qs}{24} \times 24 = 80\% \times 24$

what you do to one side of equation you have to do to the other. the 24 and 24 on the left will cancel because 24÷24=1 and we don't write

got mum of Q's x 1= 80 x 24

now you convert % to decimal

$80\% \times 100 = 0.80$

replace

$tot \: num \: qs \: = 24 \times 0.80 = 19$

now you take the original and + the 19

$24 + 19 = 43$

therefore there are a total of 43 questions on the exam

5 0

3 years ago

I need help with this page

Alika [10]

This is all I can do for now, I might be back to solve the rest, I’m sorry.

3 0

1 year ago

The box plots show the data distributions for the number of text messages Will and Jaime sent each day.What is the difference of

Softa [21]

Hey there!

You can find the medians by referring to the line in the middle of both of the boxes. These indicate the median of the sets of data you have. The first median is at 10 and the other is at 12.

All you need to do to find the difference is subtract the smaller number from the bigger number.

12 – 10 = 2

Your difference will be 2, making your second option your answer. Hope this helped you out! :-)

4 0

3 years ago

Read 2 more answers

12.8<br> х<br> 5.3<br> find the value of x

Eddi Din [679]

Answer:

67.84 is the answer.

Step-by-step explanation:

12.8 times 5.3 equals 67.84

#teamtrees #WAP (Water And Plant)

8 0

2 years ago

Help Asap Immediately!!

Svetlanka [38]

Answer:

its 432

Step-by-step explanation:

You multiply the base times the side length then divide by 2. hope this helps

3 0

3 years ago