May 2011
Beginner
384 pages
10h 48m
English
Content preview from Statistics For Dummies®, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Index
Symbols and Numerics
> (greater than), 141
≥ (greater than or equal to), 141
90th percentile (top 10%), 155
68-95-99.7% rule, 53, 81–83, 112
10th percentile (bottom 10%), 155
A
alpha level, 223
alternative hypothesis, 61, 217
analyses
confidence interval, 18
correlation, 20
data from experiments, 274–277
data in surveys, 259
margin of error, 18
regression, 20
two-way tables, 20
anecdotes
avoiding influence of, 330
as factor in misleading statistics, 40
anonymous respondents, 257
arithmetic errors, 34
average (mean)
binomials, 142
boxplots, 120
histograms, 109
normal distribution, 143
population, 51
random variables, 134
sample, 51
sampling distribution, 164–166
B
bad sample, 49
bar graphs
described, 16
evaluating, 102
frequency, 97
horizontal, 102 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.