1a researcher is interested in comparing sat scores for

Assignment Help Basic Statistics

Reference no: EM13353955

1. A researcher is interested in comparing SAT scores for students enrolled in public schools, private schools, and those home schooled. She selects a random sample of 20 high school students from each group and administers the SAT exam to them. She is interested in testing the null hypothesis that the mean SAT score is the same for each type of schooling using the one-way ANOVA. Some summary statistics for the three groups are given below.

2434_Type of schooling using the one-way ANOVA.png

An ANOVA F test was run on the data with the following results.

One-way analysis of variance

Analysis of variance

870_Type of schooling using the one-way ANOVA1.png

Multiple comparison procedures are going to be done using the Bonferroni method with = 0.05. The value of t** is 2.4667. Which of the following is the appropriate conclusion from carrying out these multiple comparisons?

A. Home school has a higher mean SAT than either public or private schools. Public and private schools are indistinguishable.
B. Home schooling is the best, followed by private schooling and then public schools. All differences are significant.
C. No differences between the mean SAT scores of the three types of schools are found at = 0.05.

Reference no: EM13353955

Questions Cloud

1a researcher is interested in comparing sat scores for : 1.a researcher is interested in comparing sat scores for students enrolled in public schools private schools and those

Q1 a conducting rectangular loop of mass m resistance r : q1. a conducting rectangular loop of mass m resistance r and dimensions w by l falls from rest into a magnetic field.

Q1 an auditorium has dimensions 100 m 320 m 360 m how many : q1. an auditorium has dimensions 10.0 m 32.0 m 36.0 m. how many molecules of air fill the auditorium at 190.0degc and a

Q1 driving in your car with a constant speed of 13 ms you : q1. driving in your car with a constant speed of 13 ms you encounter a bump in the road that has a circular cross

1a researcher is interested in comparing sat scores for : 1.a researcher is interested in comparing sat scores for students enrolled in public schools private schools and those

Q1 a cooling unit for chilling the water of an aquarium : q1. a cooling unit for chilling the water of an aquarium gives specifications of mechanical power of 110 hp and cooling

Q1 a disk with radius 05 m is oriented with its normal unit : q1. a disk with radius 0.5 m is oriented with its normal unit vector n at an angle of 30deg to a uniform electric field

Q1 calculate the threshold wavelength in nm of a metal if : q1. calculate the threshold wavelength in nm of a metal if that metal emits an electron with a kinetic energy of 6.32

Q1 a dog pulls on the pillow with a force of 86 n at an : q1. a dog pulls on the pillow with a force of 8.6 n at an angle of 22deg above the horizontal. what is the forward or x

User Account

All Pages