A teacher wishes to see whether a new smartphone app will reduce the number of grammatical errors when writing essay. She randomly selected six students, and the data are shown in the table below. Student A B C E F G Before using App 12 9 0 5 3 4 After using App 9 6 1 3 3 2 At a = 0.025, can it be concluded that the number of errors has been reduced?

A teacher wishes to see whether a new smartphone app will reduce the number of grammatical errors when writing essay. She randomly selected six students, and the data are shown in the table below. Student A B C E F G Before using App 12 9 0 5 3 4 After using App 9 6 1 3 3 2 At a = 0.025, can it be concluded that the number of errors has been reduced?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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