Organizing and Displaying Data

Organizing and Displaying Data

Review for Unit Test

Multiple Choice

The cell phone listed as third best on an online electronics review website.

• Nominal

• Ordinal

• Interval

• Ratio

Multiple Choice

The number of hours you spent studying each day during the past week

• Nominal

• Ordinal

• Interval

• Ratio

Multiple Choice

Ethnic group categories of people in a neighborhood.

• Nominal

• Ordinal

• Interval

• Ratio

Multiple Choice

A florist records the amount of money he spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.

32, 38, 40, 44, 44, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81

He put the data in a stem-and-leaf plot. What number did he leave out of the stem-and-leaf plot?

• 32

• 44

• 65

• 84

Multiple Choice

While doing a project for P. E. class, Ling researched the number of athletes competing in an international sporting event.

How many countries have exactly 32 athletes?

• 4

• 3

• 6

• 1

Multiple Choice

Altogether, how many people had 3 or more pets in their home?

• 3

• 7

• 4

• 11

Multiple Choice

How many cars were sold on Saturday and Sunday?

• 5
• 3
• 8
• 10

Multiple Choice

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14

Multiple Choice

Each dot represents 1 day. How many days were recorded?

• 9
• 21
• 20
• 105

Multiple Choice

How many scores are listed in this Stem and Leaf Plot?

• 3
• 6
• 9
• 18

Multiple Choice

What is incorrect about the following histogram?

• The intervals are too small
• The intervals overlap
• The graph does not start at 0
• The axes are not labeled.

Multiple Choice

Is a histogram the same as a bar graph?

• Yes, because they both use intervals.
• No, because a histogram displays numerical data while a bar graph displays categorical data.
• Yes, because they both use bars to display data.
• No, because a histogram displays categorical data while a bar graph displays numerical data.

Multiple Choice

What is Relative Frequency?

• The ratio of the number of times a category is represented to the total number of pieces of data
• A bar graph that represents the relative frequency in a table
• Data that can be divided into categories based on the attributes of the data
• The distribution of data

Multiple Choice

The vertical axis of an ogive comes from this column:

• Class

• Frequency

• Midpoint

• Cumulative Frequency

• Class Endpoints

Multiple Choice

The vertical axis of a histogram comes from this column:

• Class

• Frequency

• Midpoint

• Cumulative Frequency

• Class Endpoints

Multiple Choice

The horizontal axis of a histogram comes from this column:

• Class

• Frequency

• Midpoint

• Cumulative Frequency

• Class Endpoints

Multiple Choice

The vertical axis of a frequency polygon comes from this column:

• class width

• frequency

• class midpoint

• class boundaries

Multiple Choice

The horizontal axis of a frequency polygon comes from this column:

• Class width

• Frequency

• Midpoint

• Class Endpoints

• Class Boundaries

Multiple Choice

According to the portion of the frequency table given, how many people have an MBA?

• 9

• 20

• 60

• not enough information

Multiple Choice

Given above are marks obtained by 20 students in Math out of 25 presented in grouped frequency distribution table.

How many classes are in this table?

• 1

• 2

• 3

• 4

Multiple Choice

Given above are marks obtained by 20 students in Math out of 25.

Find the value of x.

• 4

• 5

• 7

• 8