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All posts tagged "statistics"


Thursday, July 22, 2010

AT&T Begrudgingly Releases Dropped Call Statistics

Posted by Michael Knutson in "Apple News" @ 10:00 AM

http://www.appleinsider.com/article..._call_data.html

"While Apple's chief executive Steve Jobs said AT&T wouldn't let him reveal its proprietary data about dropped call statistics for competitive reasons, the mobile provider has revealed some numbers in an effort to defend its network from poor dropped call scores collected by ChangeWave."

image(s) credit: CanStockPhoto

Very interesting article! Reminds me of the stories that I've heard and read about business metrics and statistics: "... we don't like these numbers that we're seeing; let's commission another company to collect information from subscribers to see how we're REALLY doing." AT&T wasn't particularly pleased with the results of a study from ChangeWave showing that their rate of dropped calls was higher than the competition. This was a survey of 4,040 smartphone users who were asked to report their own percentage of calls dropped. Is 4,040 users a statistically valid sample?

Another study contradicted this first set of results, and showed that AT&T's reliability was much, much closer to the industry leaders, or to use real world data, was a "difference of less than two (2) calls [dropped] out of 1,000." The study emphasized that location (cell tower proximity) is a major factor in call quality and reliability, so, the bottom line is that calls will get dropped, especially in areas of "lesser" coverage.


Tuesday, November 25, 2008

You're Being Profiled: iPhone Users in Numbers

Posted by Vincent Ferrari in "Apple iPhone & iPod Touch" @ 10:00 AM

http://theappleblog.com/2008/11/24/...about-yourself/

"As a mobile device, the iPhone crosses several different user groups. From business users to media junkies, a wide range of people use the iPhone in a variety of different ways. The App Store is fueling this variation even further on account of the huge array of different applications available. A few pieces of research have been conducted that give an interesting glimpse into the profile of iPhone users, and the main activities they choose to perform with their device. This post will summarize a few different results and draw some interesting comparisons between the uses of an iPhone compared to other mobile phones."

Interesting stuff, and I'd say I fit into a lot of the demos here. Among some of my favorite informational tidbits:

  • 93 percent of iPhone owners have added an application versus only 66 percent of Smartphone owners;
  • Email is the most commonly used feature — 70 percent of users check email on the iPhone at least once a day;
  • 60 percent of users browse the internet at least once per day;
  • Three quarters of users do more web surfing on the iPhone than on their previous device.

I find the first one particularly interesting because, working in an office where everyone has a BlackBerry of some kind, most of them have no idea you can actually add applications to it. The rest of the stuff is all equally interesting, and I'd say I fit into a lot of those categories. Anything jump out at you guys?


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