Answer:
Ending a speech abruptly is an excellent way to reinforce the speaker's central idea. It is usually best to let a conclusion grow out of the inspiratio…
Explanation:
The interrogative of the sentence above is '' why is the name of Iqbal common to everyone?''.
<h3>What is an interrogative sentence?</h3>
This is known to be a type of sentence that is often asked as a form of a question.
Note that an Interrogative sentences often comes in a direct or indirect manner such as why is the name of Iqbal common to everyone?
Learn more about interrogative sentence from
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The code chunk that lets the analyst create the phone_number column is: unite(customers, "phone_number", area_code, phone_num, sep="-"
<h3>What is a data frame?</h3>
A data frame refers to a two-dimensional array-like structure or table that is made up of rows and columns, which is typically used for storing data in R Studio using the R programming language.
In Computer programming, a data frame is a list of vectors that are all equal in length, and each column consist of values of one variable while each row consist of a set of values from each column.
<h3>The executable code in R Studio.</h3>
In this scenario, the code chunk that would be used to create a data frame that combines the two columns into a single column (phone_number) is:
- unite(customers, "phone_number", area_code, phone_num, sep="-"
Read more on data frame here: brainly.com/question/25558534