Use of instructional material on compact discs

Assignment Help Basic Statistics

Reference no: EM131137796

An education specialist is considering the use of instructional material on compact discs for a special class of third-grade students with reading disabilities. Students in this class are given a standardized test in May of the school year, and μ₁ is the average score obtained on these tests after many years of experience. Let μ₂ be the average score for students using the discs, and assume that high scores are desirable.

(a) What null hypothesis should the education specialist use?

(b) What alternative hypothesis should be used if the specialist does not want to adopt the new discs unless they improve the standardized test scores?

(c) What alternative hypothesis should be used if the specialist wants to adopt the new discs unless they worsen the standardized test scores?

Reference no: EM131137796

Questions Cloud

Describe the basic structures for iterations : Describe the basic structures for iterations. That is, what type of python idle loops do we have?

Test the null hypothesis that the average diameter : A botanist wishes to test the null hypothesis that the average diameter of the flowers of a particular plant is 9.6 cm. He decides to take a random sample of size n = 80 and accept the null hypothesis if the mean of the sample falls between 9.3 cm..

Find the average of every cell in a two dimensional array : Find the average of every cell in a two dimensional array based on the value of row one and column one.

The weight of an object varies on different planets : Pay attention to the units of measure. You will have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions.Many people know that the weight of an object varies on different planets

Use of instructional material on compact discs : An education specialist is considering the use of instructional material on compact discs for a special class of third-grade students with reading disabilities.

As a jesuit and mercy institution, the college of business : As a Jesuit and Mercy institution, the College of Business Administration at the University of Detroit Mercy strives to uphold the highest ethical standards. We expect students, no less than faculty, staff, and administrators, to behave in a professi..

Null hypothesis that an antipollution device for cars : (a) Explain under what conditions we would commit a type I error and under what conditions we would commit a type II error.

Determine the hydraulic conductivity of the sand : Determine the hydraulic conductivity of the sand. Estimate the effective grain size using Hazen's equation.

Explain the appropriate type of market structure : Determine the appropriate type of market structure for the situation in question. Cite at least four defining characteristics that have helped you reach this decision regarding the appropriateness of the chosen structure.

User Account

All Pages