Statistics

posted by .

I need help with (b): A small company with 5 employees wants to know some statistics about their employee's ages. They surveyed the 5 employees and found that their ages were: 22, 29, 35, 37 and 42.
(a)Determine:
Mean age: 33
Median: 35
Range: 20
Variance: 59.5
S.D.: 7.72
(b) How would your answers change if this was a sample of 5 employees from a company of 10,000? I believe it would not change the answers.

  • Statistics -

    Your SD is the sample SD. Your population SD is 6.90.

    How does it change if population larger, and sample size stay at 5? Does not change.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. m/c

    A researcher is hired by a company to ascertain the morale of company employees. The company employs over 10,000 employees. The researcher takes a random sample of 237 employees, interviews each sampled employee, and uses the information …
  2. M/C

    A researcher studies the effectiveness of managers at a small company containing 46 employees. The researcher interviews every employee, gathers data, analyzes the data, and writes up a report of her findings for company management. …
  3. statistics

    A small company has 9 female employees and 15 male employees. In how many ways can 8 employees be selected at random for drug testing if exactly 5 of the employees must be males?
  4. statistics

    Can you help me with this statistics problem?
  5. Statistics

    I have recently administered an employee survey at a call center. I found a Pearson r of -.66 between the employees' ages and their scores on an employee engagement scale. What does this finding represent/mean?
  6. statistics

    A small company has 15 employees. Five of these employees will be selected randomly to be interviewed as part of an employee satisfaction program. How many different groups of five can be selected?
  7. statistics

    The distribution of weekly salaries at a large company is right skewed with a mean of $1000 and a standard deviation of $350. What is the probability that the sampling error made in estimating the mean weekly salary for all employees …
  8. statistics

    A company has 140 employees, of which 30 are supervisors. Eighty of the employees are married, and 20% of the married employees are supervisors. If a company employee is randomly selected, what is the probability that the employee …
  9. Statistics

    The distribution of weekly salaries at a large company is reverse J-shaped with a mean of $1000 and a standard deviation of $370. What is the probability that the sampling error made in estimating the mean weekly salary for all employees …
  10. Statistics

    The mean salary of 8 employees is $36000 and the median is $32000. This highest-paid employee gets a $2000 raise. What is the new mean salary of the 8 employees?

More Similar Questions