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
just olya [345]
3 years ago
10

PLZ HELP!!! Melissa wants to know if the number of words on a page in her geography book is generally more than the number of wo

rds on a page in her math book. She takes a random sample of 25 pages in each book, then calculates the mean, median, and mean absolute deviation for the 25 samples of each book.
Mean Median Mean Absolute Deviation
Geography 48.9 41 9.2
Math 34.5 44 1.9

She claims that because the mean number of words on each page in the geography book is greater than the mean number of words on each page in the math book, the geography book has more words per page. Based on the data, is this a valid inference?
A. Yes, because the mean is larger in the geography book
B. No, because the mean is larger in the geography book
C.No, because there is a lot of variability in the geography book data
D. Yes, because there is a lot of variability in the geography book data
Mathematics
1 answer:
lara [203]3 years ago
4 0
I think the answer is C, but I could be wrong.  

I think this because just the mean of the random 25 pages, isn't going to be completely reliable.  There maybe be a section in the geography book that explains a simple concept that doesn't require many words to describe.  But there could also be a section describing a very difficult concept that would take lots of words to explain.  

Hope this helps! :)
You might be interested in
What is the solution to the given inequality?
xenn [34]

Answer: x ≤3

Step-by-step explanation:

Your answer is correct

7 0
2 years ago
Perform the following computations.You may use13≈0.333333,34= 0.75 and100301= 0.332226.(i). Compute13+34by using five significan
White raven [17]

Answer:

a. 1.0833

Absolute Error = 0.416667

Relative Error = 1.250002

b. 0.0011070

Absolute Error = 0.0011070

Relative Error = 0.003321

Step-by-step explanation:

Given

1/3 = 0.333333

3/4 = 0.75

100/301 = 0.332226

a.

1/3 + 3/4

= 0.333333 + 0.75

= 1.083333

= 1.0833 ------ Approximated to 5 significant digits

Absolute Error = |Real Value - Estimated Value|

Relative Error = Absolute Error/Real Value

Assume 1/3 to be the real value and 3/4 to be the estimated value

Absolute Error = |0.333333 - 0.75|

Absolute Error = |-0.416667|

Absolute Error = 0.416667

Relative Error = 0.416667/0.333333

Relative Error = 1.250002

b.

1/3 - 100/301

= 0.333333 - 0.332226

= 0.001107

= 0.0011070 ----- Approximated to 5 significant digits

Assume 1/3 to be real value and 100/301 to be estimated value

Absolute Error = 0.333333 - 0.332226

Absolute Error = 0.0011070

Relative Error = 0.0011070/0.333333

Relative Error = 0.003321

Absolute and relative errors are approximation errors and they are due to the discrepancy between an exact value and some approximation to them.

The absolute error is the magnitude of the difference between the exact value and the approximation. The relative error is the absolute error divided by the magnitude of the exact value

4 0
3 years ago
385 Divided by eight
PSYCHO15rus [73]
48.125 is the answer
5 0
3 years ago
Read 2 more answers
24 inches is 250% of what length
Alinara [238K]
The answer is:  " 9.6 inches " .
________________________________________________________
Explanation:
________________________________________________________

24 = 250/100 * x  ;

24 = 2.5 x ; 

↔  2.5 x = 24 ; 

2.5 x / 2.5 = 24/ 2.5 ; 

x = 9.6 ; 

The answer is:  " 9.6 inches <span>" .
</span>_________________________________________________________

4 0
3 years ago
Read 2 more answers
7/20X5/5 equals? Any help<br> ?
Elza [17]
7/20. 5/5 =1 explanation
4 0
2 years ago
Other questions:
  • What is 62.713 rounded to the nearest hundredth?
    9·1 answer
  • If 9(x - 9) = -11, then x = ?
    14·2 answers
  • Find the area of the irregular shape
    9·2 answers
  • A taxi cab in myrtle beach charges $2 per mile and $1 for every person. If a taxi cab ride for two people costs $12, how far did
    7·1 answer
  • What is the fully simplified answer to sqrt(7/18) + sqrt(5/8) - sqrt(7/2)
    9·1 answer
  • Igor Stravinsky Tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. About 47,000,000 care tires a
    10·1 answer
  • 2) (6 pts) A surveyor has taken the measurements shown below. Find the distance<br> across the lake.
    13·1 answer
  • 1. Matt painted of his room with of a gallon of paint. How much
    13·1 answer
  • 2x+10= 5x-17 hurry is for a test
    8·2 answers
  • Write the vector YZ in component form.<br> Y(-9, 2) Z(3, -4)
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!