A simple random sample of 8 employees is selected from a, Ask an Expert

Statistics

A simple random sample of 8 employees is selected from a large firm. For the 8 employees, the number of days each was absent during the past month was found to be 0, 2, 4, 2, 1, 7, 3, and 2, respectively.

a. What is the point estimate for μ, the mean number of days absent for the firm's employees?

b. What is the point estimate for σ², the variance of the number of days absent?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92214938

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A particular brand of tires claims that its deluxe tire

A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past studies of this tire, the standard deviation is known to be 8,000. A survey of owners of th ...

A bank contains 2 quarters 5 dimes and 3 nickels you draw

A bank contains 2 Quarters, 5 dimes, and 3 Nickels. You draw two coins at random. Determine the probability distribution for the sum of the two coins drawn

The company financial officer was interested in the average

The company financial officer was interested in the average cost of PCs that had been purchased in the past six months. A random sample of the price of 10 computers was taken with the following results (mean = $3,213): $ ...

Consider random samples of size 800nbspnbspfrom a

Consider random samples of size 800 from a population with proportion 0.60. (a) Find the mean and standard error of the distribution of sample proportions. Round your answer for the mean to two decimal places, and your ...

What is the probability that a randomly selected person

What is the probability that a randomly selected person will have a birthday in November? Assume that this person was not born in a leap year. Express your answer as a simplified fraction or a decimal rounded to four dec ...

Find the z-score boundary that separates a normal

Find the z-score boundary that separates a normal distribution as described in each of the following: The lowest 20% of scores

One hundred twenty-five marine recruits participated in a

One hundred twenty-five marine recruits participated in a study to assess the benefits of a strength training program. Each recruit was given a push-up test at the beginning and end of the program. The change in number o ...

Letnbspxnbspbe a random variable that represents the ph of

Let x be a random variable that represents the pH of arterial plasma (i.e., acidity of the blood). For healthy adults, the mean of the x distribution is μ = 7.4.† A new drug for arthritis has been developed. Howeve ...

Assume that the car lot contains 25 percent porches 35

Assume that the car lot contains 25 percent Porches, 35 percent BMWs, and 40 percent Volvos. Of the Porches, 20 percent have navigation systems, 90 percent of the BMWs have navigation systems, and 70 percent of the Volvo ...

If the coefficient of determination is 0233 what percentage

If the coefficient of determination is 0.233, what percentage of the data about the regression line is explained? How do I go about solving this?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert