WHATCHA MEAN?
What is another name for mean?
Measure of center, average, center of distribution, balance point, center point
If you have 2 medians, I am suppose to...
add them together and divide by two
What is the formula for Range?
Maximum - Minimum
True or False: Use a dot plot when you have a lot of data and you want to see how the data is spread out across different ranges.
False: Use a dot plot when you have a small amount of data and you want to see how many times each number or category appears.
True or false: You can have more than 1 mode
True
True or False: Finding the average is the same as finding your mean
True
The median of the set {0, 0, 4, 6, 6, 8} is ___.
Answer: 5
What is the formula for Interquartile Range?
Q3- Q1
You have 30 seconds to draw an example of a dot plot
SEE Teacher for answer
The range of the set {2, 8, 4, 10, 7, 3, 1} is ___.
14, 15, 19, 26, 27, 27, 28, 30, 30, 31, 31
Find the mean of this set of data
Answer: 25.27
What graph primary function involves finding different medians?
Box and Whiskers
Name all 5 components of the Box and Whiskers Plot
1. Minimum 2. Maximum 3. Q1- lower quartile
4. Q2-median 5.Q3- upper quartile
Find the mean of the dot plot given:
( See Teacher)
Answer: 6.16
What is an Outlier?
A value that " lies outside" is much smaller or larger than most of the other values in a set of data....
For example.... ( 1, 4, 5, 9, 105) The outlier would be 105.
300, 400, 280, 360, 390, 790, 260, 330, 410, 380
Determine how the mean would be affected by removing 300
would it increase or decrease? by how much?
Original Mean: 390
New Mean without 400 is : 400
The mean INCREASED BY 10
The median of the set {2, 8, 4, 10, 7, 3, 1} is ___.
Answer: 4
55, 52, 41, 45, 75, 57, 42, 48, 63, 39
Find the Min: Maximum:
Q1: Q2: Q3:
Min: 39 Max:75
Q1: 42 Q2: 50 Q3: 57
14, 15, 19, 26, 27, 27, 28, 30, 30, 31, 31
Which Dot Plot best represents the data?
(see teacher for dot plots)
Correct Answer: A
How many modes does the set {2, 8, 4, 10, 7, 3, 1} have?
None
FIND THE MEAN ABSOULTE DEVIATION:
10, 7, 13, 10, 8
Answer= 1.68
Which team has the greatest median? What is the median?
See Teacher for question
Answer: Green , 3
41, 43, 43, 45, 47, 48, 49, 50, 50, 51, 51
You have 2 minutes to draw a box and whiskers diagram that represents the data given
See teacher for answer!
Draw a Dot Plot that represents the following data:
{59, 65, 60, 64, 67, 58, 59, 63, 62, 64, 59, 58}
See Teacher for answer
Name the Outlier...
118, 93, 61, 5, 75, 83, 93, 68
Outlier: 5