Study Guides

101.
Frequency Distributions Help
Frequency Distributions Imagine that a large class of students is given a quiz. We examine the results in the form of tables and graphs. Practice 1 In our hypothetical class, 130 students take a 10question quiz. The ...
Source: McGrawHill Professional 
102.
Variance and Standard Deviation Help
Variance and Standard Deviation Let's further analyze the results of the hypothetical 10question quiz given to the class of 130 students. Again, in verbal form, here are the results: 0 correct answers: 0 students 1 ...
Source: McGrawHill Professional 
103.
Probability Help
Probability The following problems deal with situations and games involving chance. Probability lends itself to "thought experiments" that don't require any material investment except a few sheets of paper, a pen, and a calculator.
Source: McGrawHill Professional 
104.
Data Intervals Help
Data Intervals The following problems involve data intervals including quartiles, deciles, percentiles, and straight fractional portions. Let's consider an example involving climate change. (The following scenario is fictitious, and is for illustrative purposes ...
Source: McGrawHill Professional 
105.
Sampling and Estimation Help
Sampling and Estimation Here are some problems involving data sampling and estimation. Recall the steps that must be followed when conducting a statistical experiment: ... Formulate the question(s) we want to answer.
Source: McGrawHill Professional 
106.
Hypotheses, Prediction, and Regression Help
Hypotheses, Prediction, and Regression The following several problems involve a hypothetical experiment in which the incidence of a mystery illness, Syndrome X, is scrutinized. Twenty groups of 100 people are selected according to various criteria. Then ...
Source: McGrawHill Professional 
107.
Correlation and Causation Help
Correlation and Causation Correlation between two variables does not imply a direct causeandeffect relation. Here are some problems involving correlation and causation. Two Modern Plagues During the last few decades ...
Source: McGrawHill Professional 
108.
Some Practical Problems Practice Test
For a thorough, stepbystep explanation of similar problems, refer to: Frequency Distributions Help
Source: McGrawHill Professional 
109.
Introduction for Beginning Statistics
Practice problems for these concepts can be found at: Introduction Solved Problems for Beginning Statistics
Source: McGrawHill Professional 
110.
Quantitative Variable and Qualitative Variable for Beginning Statisics
Practice problems for these concepts can be found at: Introduction Solved Problems for Beginning Statistics
Source: McGrawHill Professional