Introduction to Data Analysis

Data Analysis

By Folasade Adeoye

Multiple Choice

In which year did exactly 60 students have scholarships?

• 2010
• 2011
• 2012
• 2013

Multiple Choice

How many total people took the survey?

• 50
• 150
• 100
• 200

Multiple Choice

How many pictures did Robin draw?

• 2

• 4

• 6

• 8

Multiple Choice

What day had the MOST rain?

• Monday

• Tuesday

• Wednesday

• Thursday

Multiple Choice

What team scored the MOST slam dunks?

• Rockets

• Celtics

• Bulls

• Pistons

Multiple Choice

What day was the MOST popcorn sold?

• Monday

• Tuesday

• Wednesday

• Thursday

Multiple Choice

What does this graph show?

• Dogs on a leash

• Students

• Popcorn sold

• Teachers

Multiple Choice

How many students take the bus to school?

• 35
• 20
• 10
• 15

Multiple Choice

How many total students are in the science class?

• 13
• 6
• 27
• 25

Multiple Choice

How many students received a score in the 80's?

• 2
• 10
• 14
• 27

Multiple Choice

What percantage people choose zucchini?

• 15%

• 25%

• 30%

• 10%

Multiple Choice

Which superhero is the most popular among fans?

• Hulk

• Batgirl

• Storm

• Thor

Multiple Choice

What percentage of fans chose

Robin or Batgirl?

• 13% & 11%

• 12% & 15%

• 14% & 15%

• 15% & 15%

Multiple Choice

What percentage does the entire circle graph represent?

• 100%

• 50%

• 25%

• 15%

Vocabulary

• Mean - the sum of the data divided by the number of pieces of data

• Average - or mean, summarizes the data to a single number

Multiple Choice

The average is called the __________

• mean

• median

• mode

• range

Multiple Choice

To find the average of a set of numbers, add up all the items and divide by...

• 2
• The minimum
• The maximum
• The number of items

Multiple Choice

_________________________ is a set of information collected about people or things.

• frequency

• data

• statistical question

• attribute

Summarizing Data

You can summarize data by determining the mean of a set in graphical displays such as pictographs and dot plots.

The mean describes the CENTER OF DATA distribution.

Distribution - shows the arrangement of data values

Multiple Choice

A question that asks about a set of data is called a ________________________.

• attribute

• frequency

• statistical question

• data

Calculating Mean

Multiple Choice

The number of times a data value occurs is called the __________________________.

• attribute

• data

• statistical question

• frequency

Multiple Choice

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Multiple Choice

Which if the following is a statistical question about a set of data?

• How tall is the Chrysler Building?

• How many centimeters are in a kilometer?

• What are the ages of the students at the James H. Vernon School?

• How many rooms are in your house?

Multiple Choice

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

Multiple Choice

This is an example of a

• histogram

• dot plot

• frequency table

• relative frequency table

Multiple Choice

What is the mean of the data set below?
10, 15, 7, 8, 4, 5, 8, 3

• 60
• 7.5
• 7
• 8

Multiple Choice

This is an example of a

• histogram

• dot plot

• frequency table

• relative frequency table

Multiple Choice

Jonathan's last five test grades are 94, 91, 93, 87, and 90. What is the mean of Jonathon's grades? Fill your answer into the grid below.

• 455

• 91

• 227.5

• 93

Multiple Choice

This is an example of a

• dot plot

• frequency table

• relative frequency table

• histogram

Multiple Choice

This is a

• dot plot

• frequency table

• relative frequency table

• histogram

Multiple Choice

What is the attribute of the data collected in the table.

• test scores

• students

• science

• numbers

Multiple Choice

What is the unit of measure in the data set?

• time

• online

• hours

• 12

Multiple Choice

How many observations were collected in this frequency table?

• 20

• 16

• 10

• 4

Multiple Choice

What is the most common sprint time according to the dot plot?

• 10.1

• 10.2

• 10.3

• 10.4

Multiple Choice

According to the histogram, how many people are 10 or younger?

• 4

• 6

• 10

• 11

Multiple Choice

According to the frequency table, what percent of the crew team members are 11 or 12 years old?

• 5%

• 6%

• 20%

• 30%

Multiple Choice

What percent of days were 8 tables served?

• 5%

• 8%

• 20%

• 25%

Multiple Choice

True or False. This is a Statistical Question.

How many hours of sleep does a 6th grader get?

• True

• False

Multiple Choice

Which is NOT a statistical question that could be asked about the data?

• What is the lowest score a 6th grader got?

• What is the highest score a 6th grader got?

• What is the average score a 6th grader got on the Science Test?

• Who took the test?

Multiple Choice

If I am measuring the attribute of time, what unit would I use?

• ounces

• minutes

• feet

• grams

Multiple Choice

What is the likely means of measurement for the data set?

• scale

• measuring cup

• ruler

• stopwatch