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| Авторизация |
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| Jaisingh L.R. — Statistics for the utterly confised |
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| Предметный указатель |
Addition rule 121 132
Alternative hypothesis 236
Appendix 305
Area under the standard normal curve 174
Average 28
Bar charts 3 11—12 107—109
Bell shaped 52 171
Bernoulli experiment 154
Bernoulli experiment, trials 144 153—154
Binomial distribution 144 154—156
Binomial distribution, experiment 154
Binomial distribution, table 305
Box plots 69—72
Calculators 17
Categorical frequency distributions 6
Categorical frequency distributions, variables 103
Causation 87—88
Census 5
Central limit theorem 189
Central Limit Theorem, difference between two sample means 201
Central Limit Theorem, difference between two sample proportions 199
Central Limit Theorem, sample means 195
Central Limit Theorem, sample proportions 199
Charts 11
charts, bar 3 11—12 107—109
Charts, Pareto 3 17
charts, pie 1 16—17
Chi-square distribution 289—291
Chi-square distribution, table 314
Chi-square distribution, test for goodness-of-fit 289 291—293
Chi-square distribution, test for independence 289 293—295
Class width 10
Classical probability 123
Coefficient of determination 90—91
Coefficient of determination, correlation 86
Coefficient of determination, variation 51
Complement of an event 131
Complement of an event, rule 132
Compound events 128
Computer software 17
Conditional distributions 103 105
Conditional distributions, probability 121 133
confidence intervals 215
Confidence intervals, difference between two means (large samples) 215 221—222
Confidence intervals, difference between two means (small samples) 265 270—272
Confidence intervals, difference between two proportions 215 220—221
Confidence intervals, means (dependent samples) 265 274—275
Confidence intervals, means (large samples) 215 218—219
Confidence intervals, means (small samples) 265 267—268
Confidence intervals, proportions 215—217
Confidence intervals, repeated sample interpretation 217
Contingency tables 107
Continuous variables 4 5
Correlation 86—87
Critical region 237
Critical region, value 217 237
Cumulative frequency 8
Cumulative frequency, relative frequency 8
DATA 4
Deciles 68
Decision rule 237
Degrees of freedom 266
Dependent samples 274
Descriptive statistics 4
Deviations 29
Discrete variables 4—5
Distributions 6
Distributions, binomial 144 154—156 306—311
Distributions, chi-square 289—291 315
Distributions, conditional 103 105
Distributions, continuous 171
Distributions, discrete 144 147
Distributions, frequency 6
Distributions, marginal 103 104—105
Distributions, Normal 166 167—170 312
Distributions, probability 121 133
Distributions, sampling 189 190—203
Distributions, skewed 33—34
Distributions, t 266—267 313
Dot plots 3 10—11
Empirical probability 125
Empirical probability, rule 51—53 172—173
Error 236
Error, type I 236
Error, type II 236
Events 123
Events, complement 131
Events, compound 128
Events, independent 134
Events, intersection 129
Events, mutually exclusive 130
Events, union 128
Expectation 144
Expected values 144 148—151
Factorials 154
frequency 6
Frequency, cumulative 8
Frequency, distribution 3 6 9
Frequency, polygons 3 13—14
Frequency, relative 8
Goodness-of-fit test 290—293
Grouped frequency distribution 9
Histograms 3 12—13
Hypothesis tests 235
Hypothesis tests, alternative 236
Hypothesis tests, critical value 237
Hypothesis tests, difference between two means (large samples) 235 246—248
Hypothesis tests, difference between two means (small samples) 265 272—274
Hypothesis tests, difference between two proportions (large samples) 235 243—246
Hypothesis tests, five step procedure 237
Hypothesis tests, mean (dependent samples) 265 275—276
Hypothesis tests, mean (large samples) 235 241—243
Hypothesis tests, mean (small samples) 265 268—270
Hypothesis tests, null 237
Hypothesis tests, one-tailed 237
Hypothesis tests, proportion (large samples) 235 237—241
Hypothesis tests, two-tailed 137
Independence 103
Independence, categorical variables 109—110
Independence, events 133—134
Independence, probability 121 133—134
Independence, samples 265
Inferential statistics 4
Influential points 92
Interquartile range 45—46
Intersection of events 129—130
| Law of Large Numbers 121 125—127
Laws of probability 127
Least squares regression 82
Least squares regression, line 88
level of significance 236
Line of best fit 88—90
Marginal distributions 103 104—105
Mean 28—30
Mean, absolute deviations 46—47
measures of central tendency 27
Measures of central tendency, position 63
Measures of central tendency, variability 43
Median 30—32
Minitab 18 35 72 93 157 179—180 194 197 200 223 250 277—278 295
MODE 32—33
Multiplication rule 121
Mutually exclusive events 130—131
Negatively skewed distribution 34
Noncritical region 237
Nonrejection region 237
Normal probability distribution 166—170
Normal probability distribution, applications of 177—179
Normal probability distribution, properties of 170—172
Null hypothesis 237
One-tailed test 237
Outliers 68—69 92
P value 248—249
PARAMETER 5
Pareto charts 3 17
Percentiles 65—68
Pie charts 3 16—17
plots 10
Plots, box 69—72
Plots, dot 3 10—11
Plots, scatter 82—85
Plots, stem-and-leaf 3 14—15
Population 5
Population, coefficient of variation 51
Population, mean 28
Population, standard deviation 50
Population, variance 50
Positively skewed distribution 33
probability 122
Probability for discrete random variables 146—147
Probability, distributions 144
Probability, relative frequency 121 125
Qualitative data 5
Qualitative data, variables 4
Quantitative data 5
Quantitative data, variables 4
Quartiles 68
Random experiment 122
Random experiment, sample 6
Random experiment, variables 145
Randomness 122
RANGE 44—45
Regression 88
Regression, analysis 89
Regression, least squares 82 88
Regression, line 88
Rejection region 237
Relative frequency 8
Residual plots 91—92
Sample 5
Sample, coefficient of variation 51
Sample, mean 28
Sample, size for mean 219—220
Sample, size for proportion 218
Sample, space 122—123
Sample, standard deviation 50
Sample, variance 48—49
Sampling distribution 189
Sampling distribution, difference between two sample means 189 200—203
Sampling distribution, difference between two sample proportions 189 197—200
Sampling distribution, sample mean 189 193—196
Sampling distribution, sample proportion 189 190—193
Scatter plots 82—85
Significance level 236
Simpson's paradox 103 111—113
skewness 33
Skewness, negative 34
Skewness, positive 33
Slope of the line of best fit 89
Standard deviation 153
Standard deviation, binomial distribution 156
Standard deviation, difference between two sample means 201 202
Standard deviation, difference between two sample means (dependent samples) 274
Standard deviation, difference between two sample proportions 198 199
Standard deviation, normal distribution 170
Standard deviation, population 50
Standard deviation, random variable 153
Standard deviation, sample 50
Standard deviation, sample means 194 195
Standard deviation, sample proportions 191 192
Standard deviation, standard normal distribution 173
Standard normal distribution 173
Statistic 5
Statistical hypothesis 235
Statistical hypothesis, test 236
Statistics 4
Stem-and-leaf plots 3 14—15
Symmetrical distribution 34
t distribution 265—267
t distribution, table 313
technology 17 35 53 72 92 113 135 157 179 203 223 249 277 295
Test statistic 236 237
TI-83 35 53—54 72 93 157 179—180 223 277—278 295
Time series graphs 15—16
Two-tailed test 137
Two-way tables 103
Uncertainty 122
Ungrouped frequency distribution 7
Union of events 128—129
Variables 4
variables, categorical 103
Variables, continuous 4 5
Variables, discrete 4 5
Variables, qualitative 4
Variables, quantitative 4
Variance 47 144
Variance, binomial distribution 156
Variance, discrete random variable 151—153
Variance, population 50
Variance, sample 48
Variance, t-distribution 266
z score 64—65 166 217
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