First Semester Data Analysis Exams

1. ________ is known as coding and involves writing well structured instructions for a compute to execute.

How do you insert COMMENTS in Python code?

Variables can be named as all except one in Python code?

A kilobyte is how many bytes?

x = “2500.75”

x has an incorrect datatype (string), what datatype should it be corrected to that will keep its form?

An array is a collection of data or items that are stored sequentially. Each item in an array is indexed starting with?

What is the correct syntax to check for the length of a string in python?

What is the correct syntax to create a while loop in python?

What is the correct syntax to create a for loop in python?

What is the error that happens in python when you fail to put spaces where necessary?

What is the error that happens in python when you call a variable that has not been stored or that was spelt wrongly?

A _____ is the sum of all observations in your dataset, divided by the number of observations in that dataset.

Which of these data structures defines a DICTIONARY?

Which of these data structures defines a TUPLE?

Which of these data structures defines a SET?

Which of these data structures defines a LIST?

Variance and Standard Deviation are both ______

Mean, Median and Mode can all be referred to as _____

The _______ of an observation tells you the number of times the observation occurs in the data.

What is the answer for:

x = 5

x += 10

x

What is the answer for:

15 % 2

What are the two classifications of data?

(Choose two answers)

_____ is a graphical representation of information.

Which method/function can be used to replace a string?

Which method/function can be used to convert a string to uppercase?

In the data analysis process, which is the last in the processes listed below?

____ is a linear data collection that allows addition and removal of items in a Last In First Out (LIFO) order?

What can be defined as the assignment operator when creating a variable?

In the data analysis process, which is the first process?

What is the output of the program below:

Age = 12

if Age < 21:

    print(“Not an Adult”)

elif Age > 21:

    print(“Adult”)