Your 'timer program' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** Your General Comment **
** Describe what you see on your first 10 clicks **
I see two columns of numbers and the second column has numbers that repeat themselves. The numbers are decimals.
** Your TIMER data from 20 fast clicks **
1 5446.305 5446.305
2 5446.539 .234375
3 5446.742 .203125
4 5446.945 .203125
5 5447.148 .203125
6 5447.352 .203125
7 5447.57 .21875
8 5447.773 .203125
9 5448.008 .234375
10 5448.211 .203125
11 5448.391 .1796875
12 5448.578 .1875
13 5448.828 .25
14 5449.047 .21875
15 5449.266 .21875
16 5449.5 .234375
17 5449.719 .21875
18 5449.922 .203125
19 5450.156 .234375
20 5450.375 .21875
** Your average time interval for 20 time intervals **
272.5187656
If you divide 5450.375 by 20 you get 272.5... . However 5450.375 is the time that elapsed between opening the program and your first click. It has very little to do with the time intervals bewteen your clicks.
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Intervals are typically between .1 sec and .25 sec. Smaller intervals are sometimes observed between quick clicks--some people are just plain quick on this exercise. Intervals greater than .3 seconds or so are almost certainly not the result of 'quick clicks'; if you had intervals in this range within your sequence of clicks then you should have tried another sequence, until you could get 20 good clicks. While you do want to report the TIMER's complete output, you should not include in your analysis intervals that do not correspond to the quantity being observed.For example, you might well have something like 30 seconds, or more, between the time you started the program and the time you started your 'quick clicks'. You would not report that as one of your intervals. You might have a number of lapses between sequences of quick clicks, and you might have made an extra click after finishing the quick-click sequence. These long intervals would not be reported in your frequency distribution. &#
What therefore is the average of the time intervals between your clicks?
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Please respond with a copy of this question, a copy of any other part of this document you wish to include, and your response to the question. Indicate your response using the symbols *&##. As your title use the 'response title' suggested above (just copy and paste that title into the Title box of the Submit Work form); if no suggested title was given use your own title.
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I added up the first 20 numbers of the second column to get the number 5450.375313 then I divided that number by 2 which is how I got my answer.
** Your frequency distribution for the 20 time intervals (interval, number of times it was observed) **
.1796875, 1
.1875, 1
.203125, 7
.21875, 5
.234375, 4
.25, 1
5446.305, 1 This was not an interval between clicks; this is the time between when you opened the program and when you made your first click. It has nothing to do with the results of the experiment.
** Your general comment to this point **
** Why did you observe only certain time intervals? **
I'm not sure of the answer. I don't think the program is flawed or useless.
** What did you see when you looked at the differences between time successive time intervals? **
In the last column I see three different numbers being repeated. Some of these numbers are negative and some are positive. This tell us that the timer program will compute the difference from one time interval to the next.
** Your time intervals for 7 complete breaths: **
3.632813
4.054688
3.578125
3.914063
3.023438
3.492188
3.640625
3.601563
3.648438
** Your general comment to this point: **
** Why did you rarely, if ever, observe that same time interval twice? **
I think we would expect less repetition because when we did this question we clicked when we inhaled instead of clicking as fast as we can.
** Do you think this program is accurate to .1 or .01 ... **
I don't know this answer but I am going to try b which says the timer program is capable of determining the time between two events accurately to within about .01 second.
** Copy of a few lines of your spreadsheet from the TIMER program. **
Series of regular breaths time at begining of inhalation
event number clock time time interval
1 2850.82 2850.82
2 2854.453 3.632813
3 2858.508 4.054688
4 2862.086 3.578125
5 2866 3.914063
6 2869.023 3.023438
7 2872.516 3.492188
8 2876.156 3.640625
9 2879.758 3.601563
10 2883.406 3.648438
** **
It took me about an hour to complete this experiment.
** **
See my notes and please respond as indicated. Except for the noted concerns, everything looks good.