Ask Question, Ask an Expert


Ask Statistics and Probability Expert

1. describe the distribution of sample means (shape, Expected value, and standard error) for samples of n=36 chosen from the population with mean of  m =100 and standard deviation of s=12.

2. For population with mean of m =50 and standard deviation of s =10. How much error, on average, would you expect between sample mean (M) and the

population mean for:

a. a sample of n=4 scores.

b. a sample of n=16 scores.

c. a sample of n=25 scores

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922516

Have any Question? 

Related Questions in Statistics and Probability

Estimation of range and bearing angle -1 bearing-angle

Estimation of Range and Bearing Angle - 1. Bearing-angle estimation A passive detection system consists of two acoustic receivers. The separation between the receivers is 2.5 meters. The acoustic propagation speed in air ...

Question 1 -thirty teeth were randomly allocated into three

Question 1 - Thirty teeth were randomly allocated into three groups of 10 and a cavity in each tooth filled using one of three preparations. Following immersion in a dye, the percentage of linear leakage occurring at the ...

Statistics for premasters fall 2015 assignment - basic

Statistics for Premasters, fall 2015 Assignment - Basic terms and exploring data Q1. For each of the following statements, indicate whether they are true or false, why, and explain with an example. a) An interval-scale i ...

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 ...

Letnbspnbspnbspbe a random process where

Let     be a random process, where A n  and    is the Kronecker delta function. This process is sometimes used as a model for random noise. (a) Find the time-varying autocorrelation function  (c) Find the PSD of this pro ...

A differences in age between husbands and wifes husband

a. Differences in age between husbands and wifes ( husband age minus wife age) of married couples have a distribution that approximately follows the normal curve with a mean of 1.5 years and a std of 2.1 years. negative ...

Regression analysis assignmentuse your data and excel

Regression Analysis Assignment Use your data and excel spreadsheet program to perform a multiple regression analysis for your variables. The analysis should include the following: 1. Provide a brief background of the sit ...

For a gaussian random variable derive expressions for the

For a Gaussian random variable, derive expressions for the coefficient of skewness and the coefficient of kurtosis in terms of the mean and variance µ and σ 2.

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.

Suppose that a certain college class contains 62nbsp

Suppose that a certain college class contains 62  students. Of these, are 26  freshmen, are38 mathematics majors, and are11 neither. A student is selected at random from the class. (a) What is the  probability  that the ...

  • 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