Probability and Statistics Test

Question 1

What type of graph is this?

Accepted Answer

Histogram

Question 2

What is the best way to conduct a survey about YMSstudents' favorite lunch?

Accepted Answer

Ask every 5th person who comes through the lunch room.

Question 3

If you roll two dice and add the numbers together, what number should show up the most?

Accepted Answer

7

Question 4

Find the MEAN of the following set of numbers: 10, 12, 8, 10, 7, 9, 8

Accepted Answer

9.14

Question 5

Which of these is the middle number in a set of data?

Accepted Answer

median

Question 6

When you flip a coin, what is the likelihood that it will land on heads?

Accepted Answer

50%

Question 7

Find the RANGE of the following set of numbers: 10, 12, 8, 10, 7, 9, 8

Accepted Answer

5

Question 8

Which of these is the number that shows up most in a set of data?

Accepted Answer

mode

Question 9

Which of these is the difference between the highest and lowest numbers in a set of data?

Accepted Answer

range

Question 10

What type of graph is this?

Accepted Answer

Stem and Leaf Plot

Question 11

Which of these is known as the "average" of a set of data?

Accepted Answer

mean

Question 12

If you fill a bag with red, blue, and green tiles of equal amounts. What is P(red)?

Accepted Answer

1/3

Question 13

Find the MODE of the following set of numbers: 10, 12, 8, 10, 7, 9, 8

Accepted Answer

8 and 10

Question 14

Find the MEDIAN of the following set of numbers: 10, 12, 8, 10, 7, 9, 8

Accepted Answer

9

Question 15

What type of graph is this?

Accepted Answer

Box and whisker plot

Questions 15