A large corporation wants to determine whether or not the "typing efficiency" course given at alocal college can increase the typing speed of their secretaries. A sample of 6 secretaries is selected,and they are sent to take the course. The typing speeds of the secretaries in words per minute(WPM) are shown below.WPMWPMSecretaryBefore the CourseAfter the Course16568606261664636664676567(a) At 95% confidence, test to determine if it can be concluded that taking the course will increasetyping speeds of the secretaries. State the null and alternative hypothesis(b) Provide a 95% confidence interval for ud.

Given: Secretary WPM before the course WPM after the course 1 65 68 2 60 62 3 61 66 4…

Answered: (a) At 95% confidence, test to…

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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(a) At 95% confidence, test to determine if it can be concluded that taking the course will increase typing speeds of the secretaries. State the null and alternative hypothesis (b) Provide a 95% confidence interval for ud.