Author Question: A chi-square goodness-of-fit-test is to be performed to see if data fit the Poisson distribution. ... (Read 71 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
A chi-square goodness-of-fit-test is to be performed to see if data fit the Poisson distribution. There are 5 categories, and the parameter  must be estimated. How many degrees of freedom should be used?
 
  A) 5
  B) 4
  C) 3
  D) 2

Question 2

What is P(X  2 )?
 
  What will be an ideal response?



beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

C

Answer to Question 2

0.23 + 0.17 + 0.16 + 0.14 + 0.04 = 0.74



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

For a complete list of videos, visit our video library