Probability and Statistics

Mean Median or Mode

100

In the number set 2,4,6,6,8,10, what is the mode?

6

200

Rearrange the following numbers to fine the median; 6,3,9,6,1,3,7

6

300

If I was looking for the number that occured most, I would be looking for what? Mean, Median, or Mode?

Mode

400

To find the mean, I need to add all the numbers and then do what?

Divide by the number of numbers

500

To find the median, i need to arrange the numbers from _____ to _____ and find the ______ number.

Smallest, Greatest, Middle

Pick a card, any card

100

If you randomly pick a card from a deck of 52, what is the probability that you will pick a RED KING?

2/52 or 1/26

200

If you randomly select a card from a deck of 52, what is the probability of selecting a black card?

26/52 or 1/2

300

If you randomly select a card from a deck of 52, what is the probability that you will select a face card (including Ace cards)?

16/52 or 4/13

400

If you randomly select a card from a deck of 52, what is the probability of selecting either a spade or a heart?

26/52 or 1/2

500

If you randomly select a card from a deck of 52, what is the probability of selecting a red card?

26/52 or 1/2

Terms

100

What do we call the difference between the largest and the smallest value in a data set

Range

200

What do we call the middle value in a data set?

Median

300

What do we call a subset of a population that we will gather data from?

Sample

400

What do we call a complete collection of all individuals or objects in a population

Census

500

What do we call the center of a confidence interval?

Point estimate

Probability

100

A bag contains 12 balls; 3 red, 5 blue, and 5 yellow. What is the probability of selecting a blue ball at random?

5/12

200

A spinner has 4 equal pieces to it, labeled 1, 2, 3, or 4. What are the odds that you will spin and land on an even number?

2/4 or 1/2

300

If every letter in the alphabet is placed into a bag, that are the odds that you will select a vowel? (not Y)

5/26

400

A cooler has 8 cans of soda; 3 cokes, 3 sprites, and 2 root beers. If you reach into the cooler, what are the odds that you will pick a diet soda?

0/8

500

If every letter in the alphabet is placed into a bag, that are the odds that you will select a letter found in the word "HAPPY"?

4/26 or 2/13

Lucky Guess

100

You are taking a multiple choice test, all with 4 possible answers. If you had no idea what the answer was, what is the probability of you guessing the correct answer?

1/4

200

On a TRUE/FALSE question, what is the probability that the answer will be TRUE?

1/2

300

You are taking a multiple choice test, all with 4 possible answers. If you had no idea what the answer was, what is the probability of you guessing the incorrect answer?

3/4

400

You are taking a multiple choice test, all with 4 possible answers. If you knew that two of the answers were incorrect, what is the probability that you will guess the right answer?

1/2

500

What is the probability of answering a multiple choice question correctly if you know that one of the answers is definitely wrong but you have to guess between the 3 remaining answers?

1/3