This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The distribution of class ranks in a particular introductory statistics class is assumed to be 20% ... (Read 86 times)

Triley39

  • Full Member
  • ***
  • Posts: 145
on: Feb 26, 2023
The distribution of class ranks in a particular introductory statistics class is assumed to be 20% freshmen, 40% sophomores, 35% juniors, and 5% seniors. To see if this is valid, a sample of 20 sections of this introductory statistics class is taken, and the frequency of each class rank is recorded. There are 130 freshmen, 242 sophomores, 221 juniors, and 37 seniors. The test statistic for aχ2goodness-of-fit test would be:

◦

1568.429.


◦

1.4853.


◦

0.1689.


◦

7.8147.

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Triley39 on Feb 26, 2023

annaelena92

  • Full Member
  • ***
  • Posts: 167
Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


Triley39

  • Member
  • Posts: 145
Reply 2 on: Feb 26, 2023
YES! Correct, THANKS for helping me on my review

skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Distribution of the Ceboidea, or New World monkeys. Distribution of the Ceboidea, or New World monkeys.
Students in class Students in class
Distribution and Forms of Precipitation: Graupel and Hail Distribution and Forms of Precipitation: Graupel and Hail
Geographic distribution of hepatitis A prevalence (anti-HAV-antibody), 2005. Geographic distribution of hepatitis A prevalence (anti-HAV-antibody), 2005.
Expected Distribution of IQ Scores Expected Distribution of IQ Scores
Gravitational Force Due to a Distribution of Mass Problem 1 Gravitational Force Due to a Distribution of Mass Problem 1
Video: Aneurysm

For a complete list of videos, visit our video library