Project is based on Business Statistics (Solved)

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In the excel sheet, the raw data is given for Hybrid/Electric Cars survey done in US. I already specified the Numeric and Categorical Variables and the questions which we need to answer after applying all requirements below to these data (Numerical & Categorical) in “Data” Word File, in addition to conclusion.

Need to apply the following:

1-      Organizing and visualizing data:

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Organizing Categorical Variables

  • The summary table
  • The contingency table

Organizing Numerical Variables

  • The ordered array
  • The frequency distribution
  • The relative frequency distribution and the percentage distribution
  • The cumulative distribution

Visualizing Categorical Variables

  • The bar chat
  • The pie chart
  • The Pareto chart
  • The side by side chart

Visualizing Numerical Variables:

  • The Stem and Leaf display
  • The histogram
  • The percentage polygon
  • The cumulative percentage polygon

Visualizing Two Numerical Variables

  • The scatter plot
  • The time series plot

2-      Numerical Descriptive Measures:

  • Mean
  • Median
  • Mode
  • Range
  • Variance
  • Standard Deviation
  • Z Scores
  • Shape: Skewness + Kutosis
  • Quartiles
  • Interquartile range
  • Five number summary
  • Boxplot
  • Population mean
  • Population Variance and Standard Deviation
  • Covariance
  • Coefficient of Correlation

3-      Basic Probability:

  • Simple probability
  • Joint probability
  • Marginal probability
  • Conditional probability
  • Independence

4-      Discrete Probability Distributions:

  • Probability distribution for a discrete variable

    – Expected Value of a discrete probability

    – Variance and standard deviation of a discrete probability

  • Binomial Distribution
  • Poisson Distribution

5-      The Normal Distribution:

  • Continuous probability distribution
  • Normal distribution

–          Computing Normal Probabilities

–          Finding X Values

  • Evaluating Normality

–          Comparing data characteristics to theoretical properties

–          Constructing the Normal Probability Plot

6-      Sampling Distributions:

  • Sampling distribution of the Mean

–          Standard Error of the Mean

–          Sampling from Normally distributed populations

–          Sampling from Non-Normally distributed populations

  • Sampling distribution of the Proportion
 
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