Data
Mean, Median, Mode
Variables
Skewed Data
Summer Break!
100
Give an example of numerical data and an example of categorical data.
Answers will vary
100
Find the mean, median, and mode for the following data: {83, 97, 85, 84, 96, 80, 80, 87, 91}
Mean: 87 Median: 85 Mode: 80
100
In a data table, the two variables are "City" and "Mean Temperature." Which variable is the IV and which is the DV?
IV = City DV = Mean Temperature
100
Draw a symmetrical data distribution.
Answer on board
100
How many days does summer break last? Closest guess wins the points.
80
200
Give an example of categorical data that are numbers
Answers will vary. Examples: Star-ratings for hotels and restaurants, Defcon
200
What do you call a data set with two modes?
Bimodal
200
If you were making a graph of time and distance, would the ordered pairs look like this: (time, distance) or like this: (distance, time)?
(time, distance)
200
Draw a distribution that is skewed left.
Answer on board.
200
When does the 2016-2017 school year begin? Closest guess wins the points.
Tuesday, September 6th
300
Which vocab term has the following definition: "The value you would get if all the data are combined and then redistributed evenly."
Mean
300
If we added 180 to the following data set, would it have a bigger impact on the mean, median, or mode? {83, 97, 85, 84, 96, 80, 80, 87, 91}
Mean
300
If y = 15x + 28, find the value of y when x is 6.
y = 118
300
Draw a distribution that is skewed right.
Answer on board.
300
When is the last day of summer? Closest guess wins the points.
September 22
400
Give an example of a data set that has a median ending in .25.
Answers will vary
400
7 children have an average height of 68 inches. The heights of the first 6 children are 54, 60, 70, 68, 67, 75. What is the height of the 7th child?
82 inches
400
If y = 15x + 28, find the value of x when y = 28
x = 0
400
Would a graph of number of children in a family be positively skewed, negatively skewed, or symmetric?
Positively skewed
400
What is the hottest recorded temperature in Ann Arbor? Closest guess wins the points.
105-degrees
500
For which type of data set would we expect the median to be larger than the mean? Skewed left, skewed right, or symmetrical?
Skewed left
500
If you want the median of a data set to increase, where should you add data?
On the right hand side of the median
500
In the table on page 31, which variable is the IV?
Student's Initials
500
For which type of distribution, positively skewed, negatively skewed, or symmetrical, is the mean typically greater than the median?
Positively skewed
500
What time is school out on Friday, June 17? Closest guess wins the points
10:50
M
e
n
u