The response time in milliseconds was determined for threedifferent types of circuits in an electronic calculator. Theresults are recorded in table:
Curcuit Type | Response (R) | R | R | R | R |
1 | 19 | 22 | 20 | 18 | 25 |
2 | 20 | 21 | 33 | 27 | 40 |
3 | 16 | 15 | 18 | 26 | 17 |
(a) What is the value of LSD? Use ?=0.01.
Round your answer to two decimal places (e.g. 98.76).
(b) Apply Fisher's LSD method with ?=0.01 and state whichcircuit type differs or circuit types differ.
(c) What is the absolute value of difference between means forcircuits 1 and 3?
Round your answer to one decimal place (e.g. 98.7).
(d) Estimate the standard error for comparing the means usingthe graphical method.
Round your answer to three decimal places (e.g. 98.765).