« previous next »

Author Question: A chi-square goodness-of-fit-test is to be performed to see if data fit the Poisson distribution. ... (Read 39 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
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
« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Urease Test Urease Test
Yinka Shonibare MBE, Nelson's Ship in a Bottle, Fourth Plinth, Trafalgar Square, London. Yinka Shonibare MBE, Nelson's Ship in a Bottle, Fourth Plinth, Trafalgar Square, London.
Changes in Blood Test Values with Acute Myocardial Infarction Changes in Blood Test Values with Acute Myocardial Infarction
Quacking. Tapotement performed with the hands together and fingers loosely apart. Fingers come ... Quacking. Tapotement performed with the hands together and fingers loosely apart. Fingers come ...
Weber test Weber test
Punnett square Punnett square
Video: Supine Position

For a complete list of videos, visit our video library