1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Papessa [141]
1 year ago
5

Can anyone please help me with 8th grade math? I will give BRAIN!!!

Mathematics
1 answer:
Anit [1.1K]1 year ago
7 0

The given percentage scores are:

80 , 92 , 91 , 75 , 89 , 84 , 0 , 85

A. Calculate the average

So, the average = (sum of the scores)/(number of the scores)

Sum of the scores = 80 + 92 + 91 + 75 + 89 + 84 + 0 + 85 = 596

The number of the scores = 8

So,

The average = 596/8 = 74.5%

Does the average score really represent her abilities ?

No, because there is outlier which is ( 0 ) which mean it may be absent this test

the other scores are within 75 and 92

Which mean the average is less than the reasonable minimum score

====================================================================

B. Brandee received 78% at the missed test

so, we will find the new mean:

The new sum of the scores = 80 + 92 + 91 + 75 + 89 + 84 + 78 + 85 = 674

The new mean = 674/8 = 84.25%

====================================================================

C. What different did 0% score make ?

So, 0% give us not accurate representation of the student abilities

Does this new mean represent her abilities accurately ?

Yes

You might be interested in
Which option is correct?
bogdanovich [222]

Answer:

Radius : 3 inches

Height : 2 inches

Step-by-step explanation:

π \times (radius {)}^{2}  \times (height)

π \times  {3}^{2}  \times 2

π \times 9 \times 2

9 \times π \times 2

18\pi

<h3>Hope it is helpful...</h3>
3 0
3 years ago
200 people purchase a lottery ticket. Three winning tickets will be selected at random. If first prize is $100, second prize is
Mandarinka [93]

EEEEEEEEeeEeeEeEeeEeEeE
7 0
3 years ago
Find the non-permissible replacement for: 4/5x
Alik [6]
Hello : 
answer <span>B) 0
because : 4/(5×0)  no exist</span>
8 0
3 years ago
Which measure would be the most appropriate to describe the center of the data in the histogram below? A bar graph entitled Dail
MariettaO [177]

Answer:

mean

Step-by-step explanation:

the center of data of histogram is the median/or mean of the data.

hope this helps

3 0
3 years ago
A square is shown below. Which expression can be used to find the area, in square units, of the shaded triangle in the square?
BaLLatris [955]

We will use this formula = 1/2 × base × height

And thus

1/2 × 8 ×8

4 0
4 years ago
Other questions:
  • Is 2x^2+y =3x - 1 a function quadratic
    15·1 answer
  • Show how you can use repeated subtraction to find 84/6
    15·1 answer
  • HELP MEH HELP MEH PLZ
    12·2 answers
  • 5(a-2b)-3(a-2b)<br><br>algebra2 .-.
    13·2 answers
  • Find the value when x= 2 and y= 3.<br> x^-3y^-3
    6·1 answer
  • What is the factored form of the expression 9x^2 + 6x +1
    9·2 answers
  • 2(5x-1/3)=24x-7(2x+1) which statement about the type of solution is true?
    5·1 answer
  • the mean of a group of students in 60 . if their marks 85 ,65,36 ,48 , X ,75 ,39,72 then find the value of x​
    14·1 answer
  • If X to the 2nd power equals 36 What is the value of X​
    11·1 answer
  • Feeling anxious about another pandemic induced run-on toilet paper, Mrs. Phillips is making room in a closet for hording Angel S
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!