2.1/2.2
30 out of the 130 cards in a pile are red, what is the Relative Frequency of the red cards? (rounded to the tenth)
.23
The peak of a data set is called what?
mode
How to calculate the median
order from least to greatest, find the middle number, (if there are two middle numbers take the average)
How to calculate the IQR?
Q3-Q1= IQR
What is the definition of a Box-and-Whisker plot?
Digram using the number line to make groups of 25% out of a data set
What is the equation to find the relative central angle?
relative frequency x 360
A distribution that has an equal or equal like spread throughout the entire graph?
Unifrom distribution
What is the mean and median relationship in a symmetric distribution?
equal
If Q3=27 and Q1=2 what is the IQR?
25
What does the U stand for in "SUCS"?
2.7
Unusual Features
25 out of the 130 cards in a pile are blue, what is the relative frequency of blue cards? (rounded to the tenth)
.19
A distribution that has more data on the left and a "tail" data on the right?
skewed right
What is the mean and median relationship in a skewed left distribution?
mean < median
What would be a word used in Unusual features in SUCS?
2.7
outliers
What 5 things are identified in a box-and-whisker plot?
minimum, maximum, lower quartile, upper quartile, median
What is another name for a two-way frequency table?
Contingency table
A distribution that creates a U-shape is called?
Symmetric (upside down)
What distinct feature does a Histogram have?
2.2
Bars touching
What does the C stand for in SUCS
2.7
Center
Where can you find the IQR on a box-and-whisker plot?
meidan
What would a key for a stem plot look like?
2.2
3 | 2 = 32
Two peaks are called (insert) distribution?
bimodal
How to find the midrange?
add the largest and smallest number then divide by two
How to solve Sum of Squares (population) without a calculator (six steps)
1. find the mean
2. find the deviation
3. square the deviation
4. add up all the devations
5. divide by n-1
6. take the square root
What would be a word that describes shape in SUCS?
2.7
uniform/ symmetric/ skewed