One of the advances that helped to diminish carpal tunnel syndrome is ergonomic keyboards. The ergonomic keyboards
Question:
One of the advances that helped to diminish carpal tunnel syndrome is ergonomic keyboards. The ergonomic keyboards may also increase typing speed.
Ten administrative assistants were chosen to type on both standard and ergonomic keyboards. The resulting word per minute typing speeds follow:
Ergonomic: 69 80 60 71 73 64 63 70 63 74 Standard: 70 68 54 56 58 64 62 51 64 53
a. Were the two samples obtained independently?
Support your assertion.
b. Conduct a hypothesis test to determine if the ergonomic keyboards increase the average words per minute attained while typing. Use a p-value approach with a significance level of 0.01.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780136121015
8th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry, Kent D. Smith
Question Posted: