Mean Median or Mode
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Probability
Lucky Guess
100
In the number set 2,4,6,6,8,10, what is the mode?
6
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
100

How do you find the interquartile range of the UPPER and LOWER quartiles?

Find the mean of the upper half of the data; find the mean of the lower half of the data
200
Rearrange the following numbers to fine the median; 6,3,9,6,1,3,7
6
200

A restaurant leaves a fishbowl on the counter for diners to drop their business cards. Once a month, a business card is pulled out to award one lucky diner a discounted dinner. Is this a random sample?

Yes
200

315 out of 600 people surveyed voted for Candidate A. How many votes can Candidate A expect in a town with a population of 1500?

315/600 = x/1500

x=788
200

The sum of all possible outcomes is always equal to 1.

There are three choices of jelly beans - grape, cherry and orange.

If the probability of getting a grape is 3/10 and the probability of getting cherry is 1/5, what is the probability of getting orange?

3/10 + 1/5 + ?/? = 1

5/10 + ?/? = 1

? = 5/10

The probability of getting an orange jelly bean is 5/10

200
On a TRUE/FALSE question, what is the probability that the answer will be TRUE?
1/2
300
If I was looking for the number that occured most, I would be looking for what? Mean, Median, or Mode?
Mode
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
300

Six out of 150 tires need to be realigned. How many out of 12,000 are going to need to be realigned?

6/150 = x/12000

72000 = 150x

x=480 tires

300
If every letter in the alphabet is placed into a bag, that are the odds that you will select a vowel (A, E, I, O, U)?
5/26
300

Select a card from a deck of cards, replace it in the deck, shuffle the deck, and select a second card. 

What is the probability that you will pick a 6 and then a king?

P (6 and a king) = P(6) x P(king)

4/52 x 4/52 = 1/169

400
To find the mean, I need to add all the numbers and then do what?
Divide by the number of numbers
400

Of the first 40 visitors through the turnstiles at an amusement park, 8 visitors agreed to participate in a survey being conducted by park employees. Find the experimental probability that an amusement park visitor will participate in the survey.

# of successes/# of trials = 8/40 = 1/5
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
400

Find the mean of each half of the data set: 

1,    2,    2,    3,    5,    5,    5,    8,    8,    9

Mean: 5
Lower quartile: 2
Upper quartile: 8
500
To find the median, I need to arrange the numbers from _____ to _____ and find the ______ number.
Smallest, Greatest, Middle
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
500

The student council wanted to determine which lunch was the most popular among their students. They conducted surveys on two random samples of 100 students. Make at least two inferences based on the results.

Student sample #1:

Hamburgers: 12
Tacos: 14
Pizza: 74
Total: 100

Student sample #2: 

Hamburgers: 12
Tacos: 11
Pizza: 77
Total: 100

Most students prefer pizza

More student prefer pizza than hamburgers and tacos combined

500

A golf course offers a free game to golfers who make a hole-in-one on the last hole. Last week, 24 out of 124 golfers achieved this. Find the experimental probability that a golfer makes a hole-in-one on the last hole.

# of successes/# of trials = 24/124 = 6/31
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