This topic contains a solution. Click here to go to the answer

Author Question: The distribution of class ranks in a particular introductory statistics class is assumed to be 20% ... (Read 38 times)

Triley39

  • Full Member
  • ***
  • Posts: 145
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.



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
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


sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

For a complete list of videos, visit our video library