Author Question: A simple random sample of size 64 is taken from a population of size 800 . The sample mean is ... (Read 224 times)

genevieve1028

  • Hero Member
  • *****
  • Posts: 601
A simple random sample of size 64 is taken from a population of size 800 . The sample mean is determined to be 2,550 with a standard deviation of 500 . An estimate of the standard error of the mean (for the total) is
 a. 62,500.50
  b. 47,958.32
  c. 7.8125
  d. 50,000.00

Question 2

The coefficient of variation is a measure of variability.
  Indicate whether the statement is true or false



jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

b

Answer to Question 2

T



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

For a complete list of videos, visit our video library