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Measures of Spread
Graphs/Data
Probability
Probability Predictions
Surveys
100
Find the mode in the data below:


2, 3, 3, 4, 5, 7, 7, 7, 8, 8, 9

7
100
Which type of cookie was sold the least?
Coconut
100
How many combination can be made?


Bread: white, wheat, rye

Meats: turkey, ham, chicken, salami

Condiments: mayo, mustard 

24
100
A coin is tossed 60 times. What is the predicted number of times that the coin will land on heads?
30
100
What is the difference between a population and a sample? 
Population is a whole group of people or objects being studied.


Sample: a part of the population

200
Find the median


5, 7, 1, 2, 9, 4, 7, 2 , 7 

5
200
What two cookies made up 50% of cookies sold?
Chocolate Chip and Peanut Butter
200
How many combinations can be made?


Shirts: blue, green, red

Pants: black, grey, tan

Socks: black, grey, brown

Shoes: black, brown

54
200
A dies is rolled 40 times. How many times should an odd number be rolled? 
20
200
A county has 10,000 residents. The county administer wants to determine the opinion of country residents about building a new park. He surveys 500 residents chosen at random. What is the population? 
10,000 residents
300
Find the mean


1, 2, 2, 3, 3, 4, 5, 7, 9

4
300
What fraction of cookies sold were coconut cookies?
12/100= 3/25
300
What is the sample space of the following cards?


                           A   B   C  

                          A  C  C  B 

2- A


2- B

3-C

300
A die is rolled 48 times. How many times should a 1 be rolled? 
8
300

A county has 10,000 residents. The county administer wants to determine the opinion of country residents about building a new park. He surveys 500 residents chosen at random. What is the survey sample?

500 residents
400
What is the difference in he mean number of practice minutes between Team 1 and Team 2?


Team 1: 30, 30, 45, 50, 50

Team 2: 35, 35, 40 ,45, 45

1
400
If a total of 320 cookies were sold, how many chocolate chip cookies were sold?
80 chocolate chip cookies
400
What is the probability of drawing a green marble out of a bag of marbles containing 3 blue, 4 green, and 5 purple marbles? 
4/12 = 1/3
400
A spinner with the numbers 1-5 is spun 140 times. How many times should it land on an even number? 
56
400
There are 178 students in Mike's school. Mike surveyed 75 students chosen at random about changing the school colors. 48 students said they would like to change the school colors. The others said no. What is the population and sample? 
Population: 178 students

Sample: 75 students

500
What is the difference between the ranges in samples A and B?


A: 10, 4, 8, 13, 12, 7

B: 9, 15, 7, 24, 19, 8

8
500
If a total of 400 cookies were sold, how many oatmeal cookies were sold? 
52 oatmeal cookies 
500
Blake flips a coin and then picks a card numbered 1-10. What is the probability that Blake will flip a tails and draw a 6? 
1/20
500
A spinner with numbers 1-8 is spun 80 times. How many times should it land on a 2 or 3?
20
500

There are 178 students in Mike's school. Mike surveyed 75 students chosen at random about changing the school colors. 48 students said they would like to change the school colors. The others said no. What percent of students surveyed want to change the school colors? 

64%