Elementary Statistics Review 2.1-2

Question 1

The vertical axis of a histogram displays _______.

Accepted Answer

frequency

Question 2

Found by subtracting the smallest data value from the largest. Then divide by the number of classes.

Accepted Answer

class width

Question 3

Titles for graphs and charts are NOT necessary.

Accepted Answer

False

Question 4

A stem-and-leaf plot has the same number of leaves as ___________.

Accepted Answer

Data values

Question 5

Charts, graphs, and plots are what type of statistics?

Accepted Answer

Descriptive

Question 6

In a frequency table, we typically have how many classes?

Accepted Answer

5 - 15

Question 7

A pareto chart lists data from _____________

Accepted Answer

greatest to least

Question 8

The relative frequencies of a frequency table should add up to what value?

Accepted Answer

1.0

Question 9

Do you like Quizs? (no wrong answers)

Accepted Answer

Answer #4

Question 10

It is okay to write decimals in the stems of a stem-and-leaf plot.

Accepted Answer

False

Question 11

In a stem-and-leaf plot, the leaves are always ________.

Accepted Answer

A single digit

Question 12

This chart allows us to display data from the greatest occurrence to the least.

Accepted Answer

Pareto

Question 13

In a stem-and-leaf plot, the stems are ___________

Accepted Answer

On the left side

Question 14

This divides data into classes or intervals and shows how many data values are in each.

Accepted Answer

frequency table

Question 15

A squiggly line on either axis represents what?

Accepted Answer

A gap in sequence

Question 16

A pareto chart's vertical axis represents ___________.

Accepted Answer

frequency

Question 17

The bars of a frequency histogram have what characteristic?

Accepted Answer

no spaces between bars

Question 18

The vertical axis of a RELATIVE frequency histogram displays _______.

Accepted Answer

relative frequency

Question 19

The horizontal axis of a histogram displays what?

Accepted Answer

Class boundaries

Question 20

Relative frequency is a ________ written as a decimal.

Accepted Answer

Percent

Questions 20