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

Author Question: To construct an interval estimate for the difference between the means of two populations when the ... (Read 27 times)

jacob816

  • Full Member
  • ***
  • Posts: 151
on: Mar 25, 2023

To construct an interval estimate for the difference between the means of two populations when the standard deviations of the two populations are unknown and it can be assumed the two populations have equal variances, we must use a t distribution with (let n1 be the size of sample 1 and n2 the size of sample 2)


◦

(n1 + n2) degrees of freedom


◦

(n1 + n2 - 1) degrees of freedom


◦

(n1 + n2 - 2) degrees of freedom


◦

n1 - n2 + 2

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jacob816 on Mar 25, 2023

jamezpowell

  • Full Member
  • ***
  • Posts: 164
Reply #1 on: Mar 25, 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


jacob816

  • Member
  • Posts: 151
Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Effect of predator on prey populations. Effect of predator on prey populations.
Clinal maps of ABO allele distributions in the indigenous populations of the world. Clinal maps of ABO allele distributions in the indigenous populations of the world.
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
How to Factor a Sum or Difference of Two Cubes How to Factor a Sum or Difference of Two Cubes
The Means and Extremes of a Proportion The Means and Extremes of a Proportion
Construct a Lorenz curve that shows income distribution in this society. Construct a Lorenz curve that shows income distribution in this society.
Video: Red Blood Cells - Erythropoietin (EPO)

For a complete list of videos, visit our video library