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
Agata [3.3K]
3 years ago
14

A study of commuting times reports the travel times to work of a random sample of 20 employed adults in New York State. The mean

is x⎯⎯⎯ = 31.25 minutes and the sample standard deviation is s = 23.7 minutes. What is the standard error of the mean?
Mathematics
1 answer:
Elodia [21]3 years ago
5 0

Answer:

The standard error of the mean = 5.14 mins

Step-by-step explanation:

Number of random sample (n) = 20

Mean(X) = 31.25 mins

Standard deviation (α) = 23.7 mins

Standard error of mean =

standard deviation / √sample size

= 23.7/√20

= 23.7/4.4721

= 5.14 mins

You might be interested in
21% as a percent as a fraction in simplest form and as a decimal
vovikov84 [41]
.21 is decimal form, 21/100 is the fraction in simplest form.
4 0
3 years ago
Read 2 more answers
4n+9=6<br> What is the value of n?
disa [49]

-- Subtract  9  from each side of the equation.

-- Divide each side by  4 .

-- The value of 'n' is right there, and you did it all on your own !


3 0
3 years ago
Read 2 more answers
Find an expression for the nth term of the arithmetic sequence.<br><br> 2, 8, 14, 20, 26, . . .
IceJOKER [234]

Answer:

44

Step-by-step explanation:

Math boi

8 0
2 years ago
A garden is in the shape of a square. The length of one side of the garden is
zheka24 [161]

Answer:

45,796 feet squared, assuming the length of one side is 214 feet.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
PLZZ HELP WILL MARK BRAINLIEST
ASHA 777 [7]

Answer:

the third one I think please see be right

7 0
2 years ago
Other questions:
  • angie puts 1 stamp on each envelopes. she puts stamps on 7 envelopes. how many stamps does angie use?
    8·2 answers
  • WILL GIVE BRAINLIEST
    5·2 answers
  • Think of a number, double it and then subtract 10, the answer is -27 white an equation and solve
    9·1 answer
  • Does anyone know the answer
    15·1 answer
  • A soft drink company holds a contest in which a prize may be revealed on the inside of the bottle cap. The probability that each
    15·2 answers
  • Please help Will Mark right answer as Brainiest
    14·2 answers
  • Will mark brainliest!
    9·2 answers
  • Solve for the value of d. <br>​
    9·1 answer
  • MATH HWWWWWWW D: !!!!!!!!!!!!
    5·2 answers
  • Find the surface area of the prism ​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!