Data Science Coding Review

Tracing Variables

100

The output of this program:

x = 5

print(x + 1)

6

200

The output of this program:

x = 2

print(x + x - 1 + 5)

8

300

The output of this program:

x = "tri"

y = "cycle"

print(y + x)

cycletri

400

The output of this program:

x = "December"

y = 10

print(x + y)

December10

500

The output of this program:

x = "Data"

y = "Science"

print("The " + y + " of " + x)

The Science of Data

Terminology

100

Python is a ______ language.

programming

200

The place that you print to.

Console

300

print is one, since it's something you call to run specific code.

Function

400

prnt("Hello World!") is this kind of error.

Syntax error

500

The 49 in print(49) and the "Hello World!" in print("Hello World!") are examples of this.

Argument

Data Types

100

Any positive, negative, or zero whole number.

int

200

This data type puts word or phrases in quotation marks "".

String

300

true and false are stored by this type.

Boolean

400

4.3 and -7.0 are this data type.

float

500

If you use the addition sign + for this data type, it'll glue two things together in order.

String

Google Sheets

100

Something you use to include or exclude certain entries.

Filter

200

What must be typed before any function is called in Google Sheets.

=

300

An option in "Edit" that lets you substitute any incorrect data.

Find and replace

400

You can separate 6'3 into a foot and inch column using this option in "Data."

Split text into columns

500

.csv files have all entries separated by this.

,

Wild Card

100

Number of pets is this type of data.

Quantitative

200

A visualization that analyzes trends over time.

Line graph

300

An unbiased way to select participants in a study.

Random sampling

400

"How great are you feeling today?" has this kind of bias.

Question bias

500

This woman could calculate faster than NASA's computers.

Katherine Johnson