Nemo
Dory
Darla
Bruce
Crush
100
7, 9, 10, 14, and 2
Find the MEAN of the numbers.
What is 8.4?
100
Random or Biased:
Mrs. McMenomy wants to know if teachers want to have jeans passes or cupcakes for teacher appreciation. She asks the students in Mr. Kennedy's class.
Biased -- the students are not in the population
100
What is the median of bus riders?
What is 17?
100
What is the median for car riders?
11 people
100
What is the maximum price for Bookstore A?
$110
200
7, 9, 10, 14, and 2
Find the MEDIAN of the numbers.
What is 9?
200
What is the median of Bookstore B?
$88 - $90
200
Here is the historam from several students in 7th grade. If there are 270 students in 7th grade, how many would you expect to have a 70 or higher?
11/30 =x/270
x=99
200
Random or Biased:Starbucks wants to know if they should add a new coffee or tea to their menu. They ask every 5th person who stops by their store from 9-10 on Wednesday.
Biased -- they have not asked a variety of people. They need to ask people throughout the day, and more than just Wednesday.
200
2, 7, 9, 10, 2, 5, and 0
What is the mean?
What is 5?
300
7, 9, 10, 14, and 2
Find the MODE of the numbers.
No mode
300
AT&T has called 25 of their customers. Of those 25, 10 said they would go to Verizon if their bill increased $15 a month. How many people would switch if there are 8,750 people in Jackson County who have AT&T?
3,500 people would switch
300
Jordan's Test Scores: 80, 90, 75, 100, and 90
Haley's Test Scores: 100, 80, 70, 90, and 85
Whose test average is higher?
Jordan's mean is higher.
300
Which bookstore has a larger range of price values?
Bookstore B
300
2, 7, 9, 10, 2, 5, and 0
What is the median?
What is 5?
400
7, 9, 10, 14, and 2
Find the RANGE of the numbers.
12
400
What is the maximum number of people on a bus?
32 people
400
If there are 900 students at EJMS, how many would you expect to have less than a 50 at EJMS?
5/30 = x/900
x = 150
400
Random or Biased: The Movie Theatre wants to know if they should offer another movie time for "Moana 2" or "Deadpool". They ask every person between the ages 4 - 12.
Biased -- they are not asking a variety of age groups. Most of those people would prefer to see Moana 2 most likely.
400
2, 7, 9, 10, 2, 5, and 0
What is the mode?
What is 2?
500
Which bookstore has a higher median price?
Bookstore A
500
Tigger wants to know if his friends would prefer to have cake or ice cream at his party. Write a BIASED sample.
1. Asking people in the movie "Snow White"
2. Only asking Rabbit
500
What is the IQR for bookstore B?
Somewhere between -- $35 and $40
500
Which transportation mode has the smaller range?
What is car?
500
2, 7, 9, 10, 2, 5, and 0
What is the range?
What is 10?