"9 full-length practice tests, including 3 online; Answer explanations for every question; plus online practice"--Front cover.
Contents
Barron's essential 5 -- Diagnostic test -- Exploratory analysis. Graphical displays ; Summarizing distributions ; Exploring bivariate data ; Exploring categorical data : two-way tables -- Collecting and producing data. Planning and conducting surveys ; Planning and conducting experiments -- Probability. Probability as relative frequency ; Combining and transforming random variables ; The normal distribution ; Sampling distributions -- Statistical inference. Confidence intervals ; Tests of significance : proportions and means ; Tests of significance : chi-square and slope of least square lines -- More practice and review. The investigative task ; Statistical insights into social issues; Practice tests.
Summary
"9 full-length practice tests, including 3 online; Answer explanations for every question; plus online practice"--Front cover.