Statistics test

What is the median?

• 62
• 58
• 66
• 60

Which interval has the highest frequency?

• 9 - 10 books
• 7-8 Books
• 5-6 Books
• 3-4 Books

How many total students are in the science class?

• 13
• 6
• 27
• 25

Find the average (mean) of these numbers:

5, 11, 2, 12, 4, 2

• 4.1

• 6

• 4.5

• 4

What is the MEAN of a data set?

• The middle value
• The number that occurs most frequently
• The average
• The difference between the max and min values

What is the median of the following data set:
1, 3, 4, 4, 5, 6, 7

• 1
• 4
• 5
• 7

Based on the line plot, how many students ate 5 candy bars?

• 4
• 3
• 8
• 0

What does it mean for a graph of data to be SYMMETRICAL?

• Most of the data is grouped to the left side
• Most of the data is grouped to the right side
• Most of the data is in the middle
  (draw a line down the middle and both sides look the same)

The stem-and-leaf plot shows the results of a survey conducted to determine the number of hours students spent working on homework over one week. Which statement is NOT true about the data in this graph?

• The data distribution is skewed.

• The spread of the distribution is 48.

• There are no outliers represented in this graph.

• There is a peak in the distribution at 3.

Which statement best describes the data shown in the dot plot?

• The data distribution is skewed right.

• The data distribution is symmetrical.

• The data are clustered from 40 - 60.

• The data are clustered from 0 - 20.