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the starting salaries of a sample of three students who graduated from college l

ID: 3381562 • Letter: T

Question

the starting salaries of a sample of three students who graduated from college last year with majors in the mathematical sciences are $44,000, $34,000, and 54,000.
A. What is the point estimate of the population mean?
B. What is the standard error of the point estimate ? the starting salaries of a sample of three students who graduated from college last year with majors in the mathematical sciences are $44,000, $34,000, and 54,000.
A. What is the point estimate of the population mean?
B. What is the standard error of the point estimate ? the starting salaries of a sample of three students who graduated from college last year with majors in the mathematical sciences are $44,000, $34,000, and 54,000.
A. What is the point estimate of the population mean?
B. What is the standard error of the point estimate ? the starting salaries of a sample of three students who graduated from college last year with majors in the mathematical sciences are $44,000, $34,000, and 54,000.
A. What is the point estimate of the population mean?
B. What is the standard error of the point estimate ?

Explanation / Answer

A. Point estimate = Average of 3 = 44000

B.

S.d = 10000

Standard Error= sd/ Sqrt(n)
Where,
sd = Standard Deviation
n = Sample Size

Standard deviation( sd )=10000
Sample Size(n)=3
Standard Error = ( 10000/ Sqrt ( 3) )
= 5773.5