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 43 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
:D TYSM

cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Desert distribution and climate Desert distribution and climate
Distribution of the Ceboidea, or New World monkeys. Distribution of the Ceboidea, or New World monkeys.
Distribution of the gibbons. Distribution of the gibbons.
Functionalist and Conflict Views of Stratification: The Distribution of Society's Resources Functionalist and Conflict Views of Stratification: The Distribution of Society's Resources
The Distribution of Dominant and Minority Groups The Distribution of Dominant and Minority Groups
The frequency distribution of the allele in Africa, Southern Europe, the Middle East The frequency distribution of the allele in Africa, Southern Europe, the Middle East
Video: baroreceptors

For a complete list of videos, visit our video library