Use the given code below to answer the questions.

Q1 Get Walmart stock prices, instead of Apple.

Hint: Insert a new code chunk below and type in the code, using the tq_get() function above. Replace the ticker symbol for Walmart. You may find the ticker symbol for Walmart from Yahoo Finance.

Q2 How many columns (variables) are there?

There are 7 variables. date,open, high,low,close, volume adjusted

Q3 Interpret the second observation?

On Jan 5th 2016 Walmarts stock opend up at 60.0 and had a high of 63.0 low of 61.8 close of 62.9 and volume adjusted of 57.1 ## Q4 What type of data are they? What are other basic data types in R? Hint: Watch the video, “Basic Data Types”, in DataCamp: Introduction to R for Finance: Ch1 The Basics. Numeric Data, Charicter Data, Logical Data

Q5 Plot the adjusted closing price in a line chart.

Hint: Insert a new code chunk below and type in the code, using the ggplot() function above. Revise the code so that it maps adjusted to the y-axis, instead of close.

For more information on the ggplot() function, refer to Ch2 Introduction to ggplot2 in one of our e-textbooks, Data Visualization with R.

Q6 From the chart you created in Q5, briefly describe how the Amazon stock has performed since the beginning of 2019.

It started below 90 per share but buy the end of the year it was over 110 a share so it proformed well.

Q7 Hide the messages and the code, but display results of the code from the webpage.

Hint: Use message, echo and results in the chunk options. Refer to the RMarkdown Reference Guide.

Q8 Hide the given code at the top and its results from the webpage.

Hint: Use eval in the chunk option. Refer to the RMarkdown Reference Guide.

Q9 Display the title and your name correctly at the top of the webpage.

Q10 Use the correct slug.