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
horsena [70]
3 years ago
14

Assume the sample below is a perfectly random sample of students at a school. How much greater is the mean of the

Mathematics
2 answers:
Semenov [28]3 years ago
5 0

It was hard to do because you wrote it out next time try attaching the file but if my calculations are correct its C.)0.75

igor_vitrenko [27]3 years ago
3 0

Answer:

0.75

Step-by-step explanation:

The table is not well presented (See Attachment)

There are at least two approaches to this question

Method 1:  

Steps

1. Calculate the mean of reported heights

Mean of reported heights = (61+68+57.5+48.5+75+65+80+68+69+63)/10

Mean of reported heights = 655/10

Mean of reported heights = 65.5

2. Calculate the mean of measured heights

Mean of measured heights = (62 + 68 + 56.5 + 47 + 72 + 65 + 78 + 67 + 69.5 + 62.5)/10

Mean of measured heights = 647.5/10

Mean of measured heights = 64.75

3. Get their difference

Difference = Mean of reported heights - Mean of measured heights

Difference = 65.5 - 64.75

Difference = 0,75

Method 2: Calculate the mean of their difference

Mean of difference = Sum of difference / Number of observations

Mean of difference = (-1 + 0 + 1 + 1.5 + 3 + 0 + 2 + 1 – 0.5 + 0.5)/10

Mean of difference = 7.5/10

Mean of difference = 0.75

Note that in both cases, the result is 0,75.

Hence, the reported heights at the school is 0.75 greater than the actual measured height

You might be interested in
6w-19 + k when<br> w=8 and k = 2
ddd [48]

Answer:

31.

Step-by-step explanation:

1. Write out the problem.

6w-19 + k; w=8 and k=2

2. Figure out the first part of the problem.

So, if w=8 and 6 and w are next to each other, we should multiply 6*8, which is 48. Next, it says to subtract 19. 48-19=29.

3. Find out what the last part of the problem is.

Since the first part of the problem is 29 and k=2, we should add 29+2=31, which is the final answer.

Hope this helped :)

3 0
3 years ago
Read 2 more answers
Enter an inequality that represents the description, and then solve. Dave has $14 to spend on a $7 book and two birthday cards (
iogann1982 [59]

Answer:

3.5

Step-by-step explanation:

14 - 7 = 7

7/2

3.5

so thats the most hope I helped

4 0
3 years ago
12a - 7 + 4a + 8<br><br> What is the answer
weeeeeb [17]
16a+1 is the answer to your question
6 0
3 years ago
Read 2 more answers
Please help me. Somebody! I need help.
kogti [31]

Answer:

https://www.imsdb.com/scripts/Shrek.html

Step-by-step explanation: Follow this link. DO it no ballz

5 0
3 years ago
A scale on a map shows that 2 inches = 25 miles.
Assoli18 [71]
Part A : 60miles would represent 4.8 inches
Part B : 1/4 inch would represent 3 and 1/8 miles

6 0
3 years ago
Read 2 more answers
Other questions:
  • 5,897 x 67 =<br> What is this
    9·1 answer
  • There are six muffins in a package. How many packages will be needed to feed 48 people if each person has two muffins
    9·2 answers
  • create a ratio table for making lemonade with a lemon juice -to -water ratio of 1:3 show how much lemon juice would be needed if
    11·1 answer
  • What is the value of B for the following triangular prism?
    8·2 answers
  • Which of the following statements are true about the graph. check all that apply?
    14·1 answer
  • Write an equivalent expression for 36 divided by [-9] [-5]?
    5·1 answer
  • Each week. You make $10.00 but you spend $3.00 and save the rest. How much would you save in 8 weeks?
    5·2 answers
  • Consider the line given by the equation: 2x - y= -2
    15·1 answer
  • BRAINIEST AND 10 POINTS <br> IREADY TEST
    11·1 answer
  • Leo and Maggie volunteer at the local bird sanctuary.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!