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# MAT1P98 Practical Statistics

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## Question:

Use the data for breakfast cereals (Cereals.csv) to answer the following
1. Which variables are continuous/numerical? Which are ordinal Which are nominal
2. Calculate following summary statistics: mean, median, max and standard deviation for each of the continuous variables, and count for each categorical variable. Is there any evidence of extreme values Briefly discuss.
3. Plot histograms for each of the continuous variables and create summary statistics. Based on the histogram and summary statistics answer the following and provide brief explanations:

a. Which variables have the largest variability
b. Which variables seems skewed
c. Are there any values that seem extreme
4. Which, if any, of the variables have missing values
a. What are the methods of handling missing values
b. Demonstrate the output (summary statistics and transformation plot) for each method in (4-a).
c. Apply the 3 methods of missing value handling discussed in the lectures. Which method of handling missing values is most suitable for this data set Discuss briefly referring to the data set.

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