Statistics Using R

R commonly used to _______ the data.

• Analyse & Visualize

• Summarize & Memorize

• Collect &Classify

• Define & Illustrate

To identify the highest scores in the 'data', use the following syntax: ________

• Max(data)

• max(data)

• mean(data)

• min(data)

The interquartile range in the 'data' can be found using the following syntax: _________

• IQR(data)

• iqr(data)

• quantile(data)

• quartile(data)

What is the incorrect syntax for printing data as output?

• print('text')

• print("text")

• 'text'

• print(text)

R will ignore that anything starts with ____.

• %

• $

• &

• #

Which function is used to calculate the mean of a dataset in R?

• median(data)

• mean(data)

• average(data)

• sum(data)/length(data)

In R, which function is used to create a scatter plot?

• chart(data)

• scatter(data)

• plot(data)

• graph(data)

Second quartile is also known as _______

• Upper Quartile

• Lower Quartile

• Median

• Inter Quartile

What is the syntax for displaying a graph in R?

• bitmap("file=output.png")

• bitmap("output.png")

• bitmap(file=output.png)

• bitmap(file="out.png")

What is the syntax to use for finding the PDF of a continuous random variable?

• dbinom()

• pbinom()

• dpois()

• pnorm()