I am in a statistical math class and I have a project to do. So I would like to ask for a small hand from my friends here. I am doing a study and developing a hypothesis based on computer reboot times.
All computers used for my study must be newer(ish), no old sub 1000mhz systems if you would please. Newer single core or dual core (2000+ish MHZ) would be most ideal; Windows only for this hypothesis.
Simple procedure, get out yur stopwatch (or watch with a second hand) close all programs running (not task bar items) hit the start menu and press restart then start your timer.
Please post your time to a complete reboot (total minutes and seconds), to the point where you can actually start a program, not just the splash screen. If you wouldn't mind tell me your CPU and RAM amount (hard drive size/type is not important for this base line).
You should be able to tell when your computer is finished booting, HD activity slows way down, and program/The Start Menu should open easily. Try to be as exact as possible, do it twice to make sure you have an acurate time.
This is a team project but my team is slacking off and I need more than 30 numbers for a large sample size. If you see 30 responses to this then I have enough numbers for my hypothesis.
Ok, it takes about 35s just for the shutdown, 1m10s more to get to the login screen, 15s from login to desktop and 10s more to have Firefox running. I did it twice and got similar results more or less 1-2 seconds. So it takes me 2m-2m10 for a full reboot.
I now have 13 numbers recorded from different systems, I need at least 18 more. Please remember this is not a race of any type and I would like the numbers to be as accurate as possible.
Thanks Zen and x (btw if you have access to any other PCs I will take numbers from those as well)
------------------------------Don't drink and park, accidents cause people.
Reply to ir_efrem
I will get you one tonight as well. I could've gotten you 3 but 2 of my systems are down for the count and getting RMA'd parts. Ill get back on shortly...
------------------------------EVGA 780i mobo | EVGA GTX 275 | Q9550 OC @ 3.6Ghz | 8Ghz 1066Mhz Corsair Memory | Corsair 1000 watt PSU | Coolermaster Stacker CM830 Case | Ultra TEC CPU Cooler | Vista Ultimate 64
Reply to englandr753
Q9550 OC @ 3.6Ghz
EVGA 780i mobo
8G ram
EVGA 275
Corsair 1000 watt psu
Seagate 500G boot drive
Samsung Dual Layer DVD drive
XP Media Center 2005 (downgraded from Vista 64)
Shut down : 14 sec
Windows Logo screen : 34 sec
Able to start new program: 1:20 sec
The first time I rebooted it took longer but I think its because I had left it running overnight and I just finished a 2 hour session of gaming and it seemed a little laggy.
I am about to load Windows 7 and this current XP install seems a little buggy so not too bad timing for a buggy install...
------------------------------EVGA 780i mobo | EVGA GTX 275 | Q9550 OC @ 3.6Ghz | 8Ghz 1066Mhz Corsair Memory | Corsair 1000 watt PSU | Coolermaster Stacker CM830 Case | Ultra TEC CPU Cooler | Vista Ultimate 64
Reply to englandr753
We have a small range of older systems. All with varying degrees of crap installed on them. With reboot times that range from ~6 mins to ~15mins.
I wanted a range of newer systems with a completely random sample. So there would be a wide range of crap installed but would be a fair sample of the average (Newer) computer system.
I will be using hypothesis testing on the mean for both a small sample size (older systems) and a large sample size (newer systems). Standard deviation will be determined (of course) and a conclusion will be drawn based on the Null/Alternative Hypothesis for each case. All done in the name of showing that newer systems would be more productive to a certain degree, than the older systems. This is not a hard core (BE ALL END ALL) direct comparison between a single old system and a faster new system. So this is a perfect type of test for what my assignment requires. Remember this is a Statistics Class, not a Computer Class.
HDD size/type does not matter because it will only give a very fast number (or two) out of a random sample, which would actually be ideal for this test, because a full spectrum of what is available (for newer computer) will show up in the sample.
Thanks..
------------------------------Don't drink and park, accidents cause people.
Reply to ir_efrem
Wish I would have seen this thread earlier, as I woulda thrown in some results for you as well. Never the less, if you remember to and have enough time, post up the results of your study- I'm curious to see the results. Don't worry about translating the stats., had to do plenty of that crap in school myself.
These aren't real benchmark results and by design the numbers don't say jack-crap lol
Actually the interpretation is the boring part. Yep old systems are slow as hell, new systems seem like speed demons in comparison.
The mean of the newer system restart times is ~354% faster, that's the interesting number. I wonder if real world, productivity benchmarks show a common newer computer as 3.5 times faster than an older (common for the time period) 900mhz with 512mb of ram...
If you are wondering about all the stats..
Older Systems = CPU = 900 MHZ, 512MB of RAM
-----
Mean restart times = 496.17 seconds
Standard Deviation = 141.16 seconds
Standardized Test Statistic: t= 3.4 @ 0.01 level of significance
I used a t-test of the mean for small sample sizes
Newer Computer Systems
-----
Mean restart times = 140.37 seconds
Standard Deviation = 65.82 seconds
Standardized Test Statistic: z= 14.75 @ 0.01 level of significance
Used a z-test of the mean for large sample sizes
Had to build a hypothesis on that - and it was a very simple test at that....
------------------------------Don't drink and park, accidents cause people.
Reply to ir_efrem
time shut down : 10 seconds.
Post = 5 seconds
win splash = 7seconds
extra time to start up FIREFOX 3.5 = 15 seconds
p4 garbage,1gb crucial ballistix,old wd 80gb ide
The assignment is completed. I appreciate the thought but there is no way I'm going to go back and change all the formulas just to add 1 more result. =P
------------------------------Don't drink and park, accidents cause people.
Reply to ir_efrem