you are here 4 669
the index
Step 4: Find the p-value 535–536
Step 5: Is the sample result in the critical region?
537
Step 6: Make your decision 537
significance level 533, 538, 539
statistically significant 551
test statistic 531, 539, 544, 547
two-tailed tests 534, 539
Type I error 555–560, 566
Type II error 555–560, 566
I
incorrect sampling unit 425
independence 573
independent events 182–183, 189–190
versus mutually exclusive 183
independent observations 224–226, 377, 472
expectation 378
of X 233
variance 378
versus linear transforms 376–378
independent random variables 230–233, 368
indpendent variables 608, 646
information
versus data 5
visualizing (see visualizing information)
interpercentile range 98, 102
interquartile range 92–93, 97
average distance 105
versus the median 97
intersecting events 147–154
intersection 149–154
K
kth percentile 99, 102
L
Law of Total Probability 172, 178
least squares regression 626, 648
Least Squares Regression Up Close 626
leaves 644
left-skewed data 62, 64
letters, using to represent numbers 48–49
linear correlations 613, 630–631
Linear Correlations Up Close 613
linear regression 626, 640, 650
linear relationship between E(X) and E(Y) 217–218
linear transforms 219, 220, 224–226
distribution 376
expectation and variance 233
versus independent observations 376–378
versus playing multiple games 221
line charts 41, 42
Line Charts Up Close 41
line of best fit 618, 622, 640
finding equation 622
finding slope 623–624
minimizing errors 620–621
non-linear 650
sum of squared errors 620–621
lower bounds 86, 97
basketball scores 88
lower quartile 92
finding 94
M
matched pairs design (experiments) 647
mean 47–60
basketball scores 88
binomial distribution 389
calculating 50
calculating when to use 78