What is the new margin of error

Reference no: EM13104279

The margin of error for a sample size 25 is +-3. Will the margin of error be greater or less if the sample size is 400? What is the new margin of error?

Reference no: EM13104279

Questions Cloud

Statistical analysis-sat scores : A random sample of 225 SAT scores has a mean of 1522. Assume that SAT scores have a population standard deviation of 300. construct a 95% confidence interval estimate of the mean SAT scores.

What volume of water, in acre-feet : Hydraulic engineers often use, as a unit of volume of water, the "acre-foot", defined as the volume of water that will cover 1 acre of land to a depth of 1 ft. A severe thunderstorm dumps 3.0 in. of rain in 30 min on a town of area 30 km2. What vo..

Explain way to create-introduce for new health technologies : Explain best way to create, introduce, regulate, give access, and pay for new health technologies in 21st century. Students are to give examples.

Determining credit worthiness : Credit card companies use a scoring model to determine the credit worthiness of a prospective card holder. Factors such as income, employment, home ownership, and credit history determine one's score.

What is the new margin of error : The margin of error for a sample size 25 is +-3. Will the margin of error be greater or less if the sample size is 400? What is the new margin of error?

Confidence interval and hypothesis testing in statistics : A sample of 25 MBA students taking OTM course in the Spring of 2013 shows an average income of $85,000 with the sample standard deviation of $5,000. Find the 95% confidence interval of the population mean income of MBA students.

Difference between cpff and cpf : Negotiations in a BPO agreement are largely determined by which factor? What is the difference between the Cost-Plus-Percentage-Fee (CPF) contract structure and the Cost-Plus-Fixed-Fee (CPFF) contract structure?

Significant relief from their symptoms : In a clinical study of an allergy drug, 112 of the 210 subjects reported experiencing significant relief from their symptoms. At the 0.01 significance level,

Confidence interval in random sampling : A random sample of n=100 observations is selected from a population with mean of 29 and sandard deviation of 21. Approximate the probabilities shown below

User Account

All Pages