Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

To find mean, standard deviation and confidence interval.

Consider the following data for two independent random samples taken from two normal populations.

Sample 1:

   10

7

13

7

9

8

Sample 2:

    8

7

8

4

6

9

a. work out the two sample means.

b. find out the two standard deviations

c. what is the point estimate of the difference between the two population means?

d. what is the 90 percent confidence interval estimate of the difference between two population means.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920732

Have any Question? 


Related Questions in Statistics and Probability

Question nbspproblem consists of two different scenarios

Question : Problem consists of two different scenarios requiring you to find the market demand curve. a.  Joe, Mary, and Ellen all have the same individual demand curve for peanuts. This demand curve is P = 10 - Q. They ...

A market researcher wants to study the television viewing

A market researcher wants to study the television viewing habits of a particular small city. A sample of 40 adult residents is asked to record their television viewing in one week. The results are: Viewing time: = 15.3 h ...

Use the matlab randn function to create a gaussian

Use the MATLAB randn function to create a Gaussian distributed random variable Y . Repeat this procedure and form a new random variable X . Finally, form a random variable according to  Repeat this procedure many times t ...

Suppose we modify the communications network as shown in

Suppose we modify the communications network as shown in the diagram by adding a link from node B to node D. Assuming each link is available with probability independent of any other link, what is the probability of bein ...

Questionnbspeach of the following situations is independent

Question:. Each of the following situations is independent of the other situations. For each draw a graph illustrating the situation and do the requested analysis. a.  Consider the market for soft drinks that is initiall ...

A student applies for a summer internship at 3 different

A student applies for a summer internship at 3 different companies. Given this student's previous work experience and grades, there is a 30% chance of getting an internship offer at any company. Getting an offer from one ...

A person with a contagious disease enters the population

A person with a contagious disease enters the population. Every day he either infects a new person (which occurs with probability ) or his symptoms appear and he is discovered by health officials (which occurs with proba ...

Until about 1830 most western settlers were southerners who

Until about 1830, most western settlers were southerners who settled near the tributaries of the Ohio-Mississippi River system. True or False?

If daily water demand is approximately normally distributed

If daily water demand is approximately normally distributed with a mean of 5 ml and a standard deviation of 1.25ml: Estimate the number of days in a (365 day) year on which daily consumption is: 50% or more greater than ...

Suppose x is a vector of iid random variables where each

Suppose X is a vector of IID random variables where each element has some PDF,    Find an example PDF such that the median is a better estimate of the mean than the sample mean.

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate