state your conclusion in context b. creat and interpret a 95% confidence interval for the difference in mean words per minute between the regular and ergonomic keyboards.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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a. state your conclusion in context b. creat and interpret a 95% confidence interval for the difference in mean words per minute between the regular and ergonomic keyboards.
Doctors at a technology research facility randomly assigned people to use computer keyboards in two rooms. In one room a group of people
typed a manuscript using standard keyboards, while in the other room a second group of people typed the same manuscript using ergonomic
keyboards to see if those people could type more words per minute. The table shows the resulting data.
Standard Ergonomic
Words per
Words per
minute
minute
12
43
38
35
21
35
28
69
18
58
45
52
40
36
42
37
52
38
19
47
24
46
63
58
Transcribed Image Text:Doctors at a technology research facility randomly assigned people to use computer keyboards in two rooms. In one room a group of people typed a manuscript using standard keyboards, while in the other room a second group of people typed the same manuscript using ergonomic keyboards to see if those people could type more words per minute. The table shows the resulting data. Standard Ergonomic Words per Words per minute minute 12 43 38 35 21 35 28 69 18 58 45 52 40 36 42 37 52 38 19 47 24 46 63 58
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