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Author Topic: Standard Deviation for bowler accuracy?  (Read 6074 times)

Gizmo823

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Standard Deviation for bowler accuracy?
« on: November 20, 2013, 08:36:38 AM »
Anybody know if there's been any published or shared documentation on an estimated reasonable standard deviation for shot to shot accuracy?  How about a relation of ball surface grit to lane oil removal?  I'd also be curious to know to what degree lane conditions mute ball layout. 
What would you be if you were attached to another object by an inclined plane, wrapped helically around an axis?

 

JustRico

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Re: Standard Deviation for bowler accuracy?
« Reply #1 on: November 20, 2013, 08:47:04 AM »
I would say the average bowler is able to hit within 2-3 boards of where they target...PBIII is prolly one of if not the most accurate I've seen as he's been recorded of within a 1/4" of his target over 25 shots at 45'....Earl Anthony was revered at flipping a dime anywhere on the lane at any distance.
As far as the conditions muting the 'layout'...the primary factor in reaction is if & how the bowling ball slows down. For the core to have an effect, the bowling ball HAS to slow down otherwise the bowling ball will generally flare out attempting to change direction. So the less built in friction or path, the more control the condition has over controlling the reaction. On THS equipment tends to blend it's self as far very little differential between types due to higher amount of side to side friction and build up of conditioner towards the middle.
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Gizmo823

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Re: Standard Deviation for bowler accuracy?
« Reply #2 on: November 20, 2013, 09:04:40 AM »
Awesome, thanks!  I'm sure I'm just now "discovering" a lot of things people have known for a while now, but if it's this hard for me to dig through marketing and fads and techniques to find the core of what's truly and actually relevant, I can't see any way possible for the average bowler to do it.  My intent is to develop a basics guide to help people wade through all the crap so they don't get so confused and frustrated, and I'd like to have specifics to definitively answer questions or address skepticism. 

I would say the average bowler is able to hit within 2-3 boards of where they target...PBIII is prolly one of if not the most accurate I've seen as he's been recorded of within a 1/4" of his target over 25 shots at 45'....Earl Anthony was revered at flipping a dime anywhere on the lane at any distance.
As far as the conditions muting the 'layout'...the primary factor in reaction is if & how the bowling ball slows down. For the core to have an effect, the bowling ball HAS to slow down otherwise the bowling ball will generally flare out attempting to change direction. So the less built in friction or path, the more control the condition has over controlling the reaction. On THS equipment tends to blend it's self as far very little differential between types due to higher amount of side to side friction and build up of conditioner towards the middle.
What would you be if you were attached to another object by an inclined plane, wrapped helically around an axis?

JustRico

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Re: Standard Deviation for bowler accuracy?
« Reply #3 on: November 20, 2013, 09:10:48 AM »
In an industry where manufacturers are trying to survive...you will NEVER attain this sorta data...companies will NEVER divulge that too many bowling balls do the same thing or one company has a perceived advantage over another.
In golf it's somewhat known that equipment changes abt every 4 yrs or so...in bowling, with a limited playing field, since '97 (particle coverstocks) there seriously has been limited advancement in bowling ball technology. A majority is marketing & advertisement and unknowing public. Too many have lost control of their games relying on equipment to foster any weaknesses in their games instead creating a stronger physical & mental game...
Co-author of BowlTec's END GAMES ~ A Bowler's COMPLETE Guide to Bowling; Head Games ~ the MENTAL approach to bowling (and sports) & (r)eVolve
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Sleeve857

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Re: Standard Deviation for bowler accuracy?
« Reply #4 on: November 20, 2013, 10:14:23 AM »
In this video Richard Shockley tells you proof of certain average bowlers data. The miss error based off of average. Hope this helps with what you were asking.

http://youtu.be/nK5HO__gBJE


Dogtown

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Re: Standard Deviation for bowler accuracy?
« Reply #5 on: November 20, 2013, 10:14:24 AM »
Quote
Too many have lost control of their games relying on equipment to foster any weaknesses in their games instead creating a stronger physical & mental game...

Amen to that!!!

Gizmo823

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Re: Standard Deviation for bowler accuracy?
« Reply #6 on: November 20, 2013, 10:52:42 AM »
Ok.  These things are the conclusions I've been coming to, so it's nice to know I'm on the right track or going in the right direction.  I'm really in the wrong business to be going down this road, I'm supposed to be selling balls, not convincing people they don't need them. 

In an industry where manufacturers are trying to survive...you will NEVER attain this sorta data...companies will NEVER divulge that too many bowling balls do the same thing or one company has a perceived advantage over another.
In golf it's somewhat known that equipment changes abt every 4 yrs or so...in bowling, with a limited playing field, since '97 (particle coverstocks) there seriously has been limited advancement in bowling ball technology. A majority is marketing & advertisement and unknowing public. Too many have lost control of their games relying on equipment to foster any weaknesses in their games instead creating a stronger physical & mental game...
What would you be if you were attached to another object by an inclined plane, wrapped helically around an axis?

Aloarjr810

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Re: Standard Deviation for bowler accuracy?
« Reply #7 on: November 20, 2013, 01:13:48 PM »
Anybody know if there's been any published or shared documentation on an estimated reasonable standard deviation for shot to shot accuracy? 
Comparison of Bowlers Ability and Specific Characteristics (CATS Data)
http://bowlingknowledge.info/index.php?option=com_content&task=view&id=38&Itemid=46

Targeting Accuracy (in inches) @ 15 Feet (Average Range in 10 shots)

inches/average
7.7 /139
7.1 /140-149
6.1 /150-159
5.6 /160-169
5.2 /170-179
5.0 /180-189
4.5 /190-199
3.8 /200-209
3.3 /210-219
3.0 /220
1.8 /PROS

Also read the USBC Ball Motion Study
« Last Edit: November 20, 2013, 01:26:50 PM by Aloarjr810 »
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JustRico

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Re: Standard Deviation for bowler accuracy?
« Reply #8 on: November 20, 2013, 01:19:05 PM »
The elite, especially the higher rev rate players do not gauge the fronts or 15' they are more concerned with the back part of the reaction or 45' range...
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Aloarjr810

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Re: Standard Deviation for bowler accuracy?
« Reply #9 on: November 20, 2013, 01:34:23 PM »
The elite, especially the higher rev rate players do not gauge the fronts or 15' they are more concerned with the back part of the reaction or 45' range...

While the backend reaction is important, how does that apply to how much accuracy or the amount of shot to shot consistency a bowler has?

To hit a point at 45' you have to hit a mark at 15' first, if you miss your mark at 15' by 2 boards, you'll miss the mark at 45' by a lot more.
« Last Edit: November 20, 2013, 01:40:52 PM by Aloarjr810 »
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JustRico

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Re: Standard Deviation for bowler accuracy?
« Reply #10 on: November 20, 2013, 01:42:42 PM »
Obviously you do not watch the way the game is played today...the primary objective is to get the bowling ball off the players hand in the same direction with a consistent speed thus allowing them, due to their rev rate to create room in the back part of the lane. Trust me the bulk of today's 'stars' on tour are very inconsistent with hitting a board...its more hitting the window between 35-45' with the same speed and direction.
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Aloarjr810

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Re: Standard Deviation for bowler accuracy?
« Reply #11 on: November 20, 2013, 01:48:39 PM »
That's true enough, but that's not what the O.P. originally asked.

He asked if there's been any published or shared documentation on an estimated reasonable standard deviation for shot to shot accuracy?

I posted what there was that addressed that. 
« Last Edit: November 20, 2013, 01:56:26 PM by Aloarjr810 »
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Sleeve857

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Re: Standard Deviation for bowler accuracy?
« Reply #12 on: November 20, 2013, 01:52:46 PM »
Obviously you do not watch the way the game is played today...the primary objective is to get the bowling ball off the players hand in the same direction with a consistent speed thus allowing them, due to their rev rate to create room in the back part of the lane. Trust me the bulk of today's 'stars' on tour are very inconsistent with hitting a board...its more hitting the window between 35-45' with the same speed and direction.

There is a lot more to this than hitting a window 40ish feet down lane. If you are playing the heads incorrectly, your window will never get touched.

baer300

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Re: Standard Deviation for bowler accuracy?
« Reply #13 on: November 20, 2013, 02:44:45 PM »
Ric is exactly right. The power almost over rides the condition. If you are throwing the ball well, even on a tough pattern, you will create 4-5 boards of room down lane. The Elite will play them properly to get this room. As long as the angle is close the rev rate will take over. Period. Stand behind the power players and watch a full game. You will see that.
I for one, have a higher rev rate. I am no way near the most accurate person, but I don't have to be. I want to be, but the more I focus on that, the shots are not as good. So I make sure to play them properly and find the ball that gives me the most miss. If there are really tough, I will grind out until the pattern comes to me and then try to chase everyone down.
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JustRico

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Re: Standard Deviation for bowler accuracy?
« Reply #14 on: November 20, 2013, 03:00:30 PM »
it would be comparable to a golfer that is able to hit it farther...the farther they are able to hit it, the better chance they have of eliminating much of the danger that shorter hitters bring into play.
Co-author of BowlTec's END GAMES ~ A Bowler's COMPLETE Guide to Bowling; Head Games ~ the MENTAL approach to bowling (and sports) & (r)eVolve
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