exam_results_assignment.Rmd

---
title: "Data processing assignment: Exam examiner"
output: html_notebook
---


## The data

The file `exam_results.xlsx` contains data about some (fictional) students taking modules in a (fictional) Physics department.



## The tasks

0. Load this file into a dataframe. What are the observations and what are the variables?

```{r}
library(tidyverse)
library(readxl)



```


1. Tidy the data.

```{r}


```


2. Using your tidied data, answer the following questions:

a) For MSci students, what is the mean grade for the Relativity exam?

```{r}


```


b) What proportion of the students are taking Physics as their major subject?

```{r}


```



---