subject
Mathematics, 13.04.2021 01:00 MartinTDL

A standardized test is given to an eighth grade class and a seventh grade class. The superintendent believes that the variance in performance for the two grades is different. The sample variance of a sample of 11 test scores from the eighth grade class is 24.25. The sample variance of a sample of 11 test scores from the seventh grade class is 22.71. Construct the 95% confidence interval for the ratio of the population variances. Round your answers to four decimal places.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 22.06.2019 01:20
Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)
Answers: 3
question
Mathematics, 22.06.2019 03:00
An expression for the average of x 2x and 3y
Answers: 2
question
Mathematics, 22.06.2019 03:00
Alocal restaurant advertises that the mode cost of their most popular meals is $8. if the costs of their most popular meals are $7, $8, $8, $12, $13, $15, $17, $18, and $20, which word or phrase best describes this kind of advertising? accurate inaccurate accurate, but misleading inaccurate and misleading
Answers: 1
question
Mathematics, 22.06.2019 03:30
Louis wants to give \$15 to kids who need school supplies. he also wants to buy a pair of shoes for \$39. how much money will he have to save for both?
Answers: 1
You know the right answer?
A standardized test is given to an eighth grade class and a seventh grade class. The superintendent...
Questions
Questions on the website: 13722367