Question
WE1 Using RStudio 1.Import Insurance data into RStudio 2. Assess the normality of the following variables: claim amount, coverage, householdincome, and deductible (explain whether or
WE1 Using RStudio
1.Import Insurance data into RStudio
2. Assess the normality of the following variables: claim amount, coverage, householdincome, and deductible (explain whether or not the variables are normally distributed, are distribution symmetricalor skewed). Explain your findings and support with descriptive (numerical and/or graphical)
3. Is there a statistical relationship between claim amount and income?Explain your findings and support with descriptive (numerical and/or graphical)
4. Is there a statistical relationship between the type of claim and marital status?
WE1 Using MS Excel
1.Open Insurance data in MS Excel
2. Assess the normality of the following variables: claim amount, coverage, householdincome, and deductible (explain whether or not the variables are normally distributed, are distribution symmetricalor skewed). Explain your findings and support with descriptive (numerical and/or graphical). Hint:
3. Is there a statistical relationship between claim amount and income?Explain your findings and support with descriptive (numerical and/or graphical)
4. Is there a statistical relationship between the type of claim and marital status?
Hints: Q2: Numerical indicators include skewness, kurtosis, and Wilks-Shapiro test. R functions can be found in the script. MS Excel users can use "skew" and "kurt" functions, while Wilks-Shapiro test is not available in MS Excel. For better results, MS Excel users should use "Descriptive Statistics" function from Data Analysis pack.
Q3 and 4: make sure to pick a correct test between correlation and chi-square. Pay attention to the variable type (e.g., continuous vs. categorical). R users do not require any data manipulations to perform these tests. MS Excel users have to create necessary contingency tables. The most efficient way of creating those tables is using a pivot table function.
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