## Hypothesis Testing

A short description of the post.

## Sampling

A short description of the post.

## Data Visualization

A short description of the post.

## Exploratory analysis II

A short description of the post.

## Exploratory analysis

A short description of the post.

## Joining Data

Code for quiz 6, more dplyr and our first interactive chart using echarts4r.

## Data Manipulation

Code for Quiz 5 More Practice with dplyr functions

## Reading and Writing Data

A short description of the post.

## Summary statistics

Comparison of R and Excel