Business Statistics I
Edition: 1
Copyright: 2019
Pages: web only
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Business Statistics I presents business statistics in a novel way. Easy-to-read, it is written using non-technical language focusing on concepts and principles without complicated math jargon. Focusing on using spreadsheets, the textbook presents many examples and solved problems.
Chapter 1 – Introduction to Statistics
Introduction
Why Statistics?
What is Statistics?
Populations and Samples
Population
Discrete and Continuous Data
Samples
Sampling
Statistical Symbols
The Use of Spreadsheets
Chapter 1 Review Exercises
Chapter 2 – Descriptive Statistics
Measures of Central Tendency
Mean
Median
Mode
Exercise 2-1
Measures of Variation
Range
Standard Deviation
Coefficient of Variation
XLMinerTMAnalysis ToolPak
XLMinerTMAnalysis ToolPak – Descriptive Statistics
Variance
Exercise 2-2
Percentiles
QuartilesDeciles
Exercise 2-3
XLMinerTM– Rank and Percentiles
Exercise 2-4
Pictures of Data
Graphing Statistical Data
Histogram
XLMinerTMand Analysis ToolPak – Histogram
Exercise 2-5
Box Plot (Box and Whiskers Diagram)
Using the MS ExcelTMto Create a Box Plot
Using the Software to Create a Box Plot
Exercise 2-6
Chapter 2 Review Exercises
Chapter 3 – Discrete Probability Distributions
Probability
Binomial Probability Distributions
Exercise 3-1
Poisson Distributions
Exercise 3-2
Chapter 3 Review Exercises
Chapter 4 – Normal and Non-Normal Distributions
Normal Distributions
Kurtosis
Empirical Rule
Exercise 4-1
Outliers
Exercise 4-2
Non-Normal Distributions
Skewness 17
Chebyshev’s Theorem [Above the Grade]
Central Limit Theorem
Exercise 4-3
Probability
Binomial Probability Distributions
Exercise 4-4
Poisson Distributions [Above the Grade]
Exercise 4-5
Normal Probability Distributions
Standard Normal Distribution
Exercise 4-6
Chapter 4 Review Exercises
Chapter 5 – Confidence Intervals and Sample Size
Confidence Intervals
Confidence Interval – Mean: Population Standard Deviation (σ) known
Margin of Error
Exercise 5-1
Confidence Interval – Mean: Population Standard Deviation (σ) unknown
Exercise 5-2
Confidence Intervals – Proportions
Exercise 5-3
Confidence Intervals – Variance or Standard Deviation
Exercise 5-4
Determining Sample Size – Mean
Exercise 5-5
Determining Sample Size – Proportions
Exercise 5-6
Determining Sample Size – Variance or Standard Deviation
Exercise 5-7
Chapter 5 Review Exercises
Chapter 6 – Hypothesis Testing
Hypothesis Testing
Hypothesis Testing for Means
z Versus t
Exercise 6-1
Hypothesis Testing for Proportions
Exercise 6-2
Hypothesis Testing for Variance or Standard Deviation
Exercise 6-3
Confirming Hypothesis Tests with Confidence Intervals
Confirming Means Hypothesis Test with Confidence Interval
One-Sided Confidence Interval
Confirming Hypothesis Proportion Test with Confidence Interval
Confirming Hypothesis Variance or Standard Deviation Test with a Confidence Interval
Exercise 6-4
Chapter 6 Review Exercises
Answers to Odd-Numbered Exercises
Chapter 7 – Simple Regression and Correlation
Correlation
Scatterplots
Pearson Product Moment Correlation Coefficient
r-Critical
Exercise 7-1
Regression Line (Line of Best Fit, Lind of Least Squares)
Using Google SheetsTM– Regression Line
Using XLMinerTM– Regression Line
Equation of the Regression Line
Coefficient of Determination
Exercise 7-2
Identifying Outliers
Standard Error – Coefficients
Hypothesis Test – Correlation
Hypothesis Test – Slope
Confidence Intervals
Exercise 7-3
Prediction Intervals
Exercise 7-4
Chapter 7 Review Exercises
Answers to Odd-Numbered Exercises