statistics3. Sick-leave records obtained from a ra

posted by .

3. Sick-leave records obtained from a random sample of 200 social workers showed a mean number of days sick leave equal to 25.6 last year. If the sample standard deviation is 5.1, construct a 90% confidence interval for the mean number of days sick leave for all social workers last year.

  • statistics3. -

    Formula with your data included:

    CI90 = 25.6 + or - 1.645(5.1/√200)

    Calculate for your interval.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. English

    I have a few doubts on a few things. I hope you can check them for me. 1) I had a cavity in my first molar. So I made an appointment with the dentist. I went to the dentist (dentist's) and he devitalized my tooth. 2) The filling came …
  2. statistics

    A company decides to investigate the amount of sick leave taken by its employees. A sample of seven employees yields the following numbers of days of sick leave taken in the past. 0, 1, 4, 1,6, 2. Find and interpret the range
  3. Answer

    A company decides to investigate the amount of sick leave taken by its employees. A sample of seven employees yields the following number of sick leave taken in the past year 1 1 3 0 1 7 1 a. Find and interpret the range
  4. statistics

    It is known from the records of the City Schools that the standard deviation of Algebra scores is 6.0. A sample of 200 students from the system was taken and was found out that the sample mean score is 75. Previous tests showed the …
  5. Statistics

    A random sample of forty-eight 200 meter swims has a mean of 3:12 minutes and a standard deviation of .09 minute. Construct a 95% confidence interval for the population mean time. I know u: 3.12, sx: .09, n:48, c:.95 What is the formula …
  6. c++

    The distance between two cities is 500 miles. Let us call these cities as CityA and CityB. Employees live in the CityA and travel to the CityB every day in the morning and come back in the evening on the same day except on Saturday …
  7. Statistics

    A simple random sample of 50 female 14-year-olds is selected. The sample mean height of the girls is found to be 62 inches. Assume the height of 14-year-old girls is normally distributed with a standard deviation of 5 inches. 1. Based …
  8. BIOSTATISTICS PLEASE HELP

    exercise: The average number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for …
  9. employment law

    If the employee taking FMLA leave has unused paid vacation or sick leave, the employer may: A. require the employee to use sick leave toward the FMLA leave, but not vacation. B. not allow any time to be taken under the FMLA. C. require …
  10. English

    I need to make a syllogism for an advertisement. I choose to use Dayquil's moms don't take sick days Is this a good syllogism ?

More Similar Questions