Phy 121
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 **
After clicking to the 'click to time event' button, there came a series of numbers that appeared. Each row started with a number mostly the first number in the 70s and then a space followed by another number that was usually a decimal number except for the first two numbers.
** Your TIMER data from 20 fast clicks **
1 680.6875 680.6875
2 680.8711 .1835938
3 681.0313 .1601563
4 681.1992 .1679688
5 681.3672 .1679688
6 681.5273 .1601563
7 681.6875 .1601563
8 681.8281 .140625
9 682.1328 .3046875
10 682.3086 .1757813
11 682.4688 .1601563
12 682.6055 .1367188
13 682.7578 .1523438
14 682.8789 .1210938
15 683.168 .2890625
16 683.4375 .2695313
17 683.6055 .1679688
18 683.75 .1445313
19 683.918 .1679688
20 684.1328 .2148438
** Your average time interval for 20 time intervals **
34.2066355
I put my numbers in Excel and put in the formula to find the average of the numbers.
*************
** Your frequency distribution for the 20 time intervals (interval, number of times it was observed) **
.12109, 1
.13671, 1
.14062, 1
.14453, 1
.15234, 1
.16015, 3
.16015, 4
.16796, 4
.17578, 1
.18359, 1
.21484, 1
.26953, 1
.28906, 1
.30468, 1
680.687, 1
** Your general comment to this point **
** Why did you observe only certain time intervals? **
The timer program reports that time frequently probably because of the speed and repeatance during that time. There might have been times like .1830 or.1769, there needs to be more data to prove that it was not there and the time of .1875 is just an average. The timer program is not flawed because the numbers recorded are estimations and the responses in clicks may be the gaps in responses by us not the program.
** What did you see when you looked at the differences between time successive time intervals? **
Now this data is recording the intervals and in my opinion, this is a record of the hestitations by us in clicking the mouse and those seconds are represented by the last column.
** Your time intervals for 7 complete breaths: **
4.4101
4.4882
4.8007
4.9375
4.9648
4.9687
5.0781
5.1757
6.7109
3146.145
** Your general comment to this point: **
** Why did you rarely, if ever, observe that same time interval twice? **
I was thinking that the reason that there was no repetition of the numbers is because of the gap in time before I clicked the button. During the first timer experiment, there was not supposed to be a gap and the clickings were based on speed of how fast we could click to get the end result.
** Do you think this program is accurate to .1 or .01 ... **
d. The TIMER program is capable of determining the time between two events accurately to within about .0001 second.
The excerise clearly depicted the accuracy of recording data by the extension of .000 so that there is more space to distinguish an answer rather than a few numbers being too close to record.
** Copy of a few lines of your spreadsheet from the TIMER program. **
4.4101
4.4882
4.8007
4.9375
4.9648
4.9687
5.0781
5.1757
6.7109
3146.145
** **
It took me about 30 to 35 minutes to complete this experiment.
** **
&#Good responses. Let me know if you have questions. &#