Homework Help is Here – Start Your Trial Now!
Math
Probability
A multiple choice exam of 10 questions was given to male and female students. The Grade X for each student the number of correctly answered questions. Grades for samples of 5 male and 10 female students were as follows: Grade X No. of Males 5 1 1 6 0 7 2 2 8 1 2 No. of Females a.Give 95% Confidence Interval (CI) for the mean males grades? b.Give 95% CI for the standard deviation of the females grades? c.Give 95% CI for the mean grade difference between male and female students? 9 0 3 10 1 2 Mean 7.4 0 7.3 Variance 3.3 1.8

A multiple choice exam of 10 questions was given to male and female students. The Grade X for each student the number of correctly answered questions. Grades for samples of 5 male and 10 female students were as follows: Grade X No. of Males 5 1 1 6 0 7 2 2 8 1 2 No. of Females a.Give 95% Confidence Interval (CI) for the mean males grades? b.Give 95% CI for the standard deviation of the females grades? c.Give 95% CI for the mean grade difference between male and female students? 9 0 3 10 1 2 Mean 7.4 0 7.3 Variance 3.3 1.8

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
See similar textbooks
icon
Related questions
Question

please sir solve the first 3 parts

A multiple choice exam of 10 questions was given to male and female students. The Grade X for each student the number of correctly answered questions. Grades for samples of 5 male and 10 female students were as follows: Grade X No. of Males No. of Females a.Give 95% Confidence Interval (CI) for the mean males grades? b.Give 95% CI for the standard deviation of the females grades? c.Give 95% Cl for the mean grade difference between male and female students? d. Give 90%Cl for the ratio of grades standard deviations for male and female students? e.Compute the mean grade of all 15 male and female students? 5 1 1 6 0 2 7 2 2 8 1 3 9 0 2 10 1 0 Mean 7.4 7.3 Variance 3.3 1.8
Transcribed Image Text:A multiple choice exam of 10 questions was given to male and female students. The Grade X for each student the number of correctly answered questions. Grades for samples of 5 male and 10 female students were as follows: Grade X No. of Males No. of Females a.Give 95% Confidence Interval (CI) for the mean males grades? b.Give 95% CI for the standard deviation of the females grades? c.Give 95% Cl for the mean grade difference between male and female students? d. Give 90%Cl for the ratio of grades standard deviations for male and female students? e.Compute the mean grade of all 15 male and female students? 5 1 1 6 0 2 7 2 2 8 1 3 9 0 2 10 1 0 Mean 7.4 7.3 Variance 3.3 1.8
Expert Solution
steps

Step by step

Solved in 5 steps with 8 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer