Histogram
how high each bar is tells you what?
The frequency
The line in the middle represents which value?
The median
What type of data is best represented with a bar graph?
Categorical Data
What should you sperate each observation into?
A stem
What does the S stand for in SOCS
The S in SOCS stands for Shape
What kind of data is a histogram used for?
Quantitative
What are the lines that stick out from each side called?
What are the two ways a bar graph can be formatted
Side by side and Segmented
A leaf.
If a majority of my date is to the right, what is the skew?
Left Skewed
Which would be the proper way to list classes?
A) Class 1(1-5) Class 2 (6-10) Class 3 (11-15)
B) Class 1(1-5) Class 2 (5-9) Class 3 (9-13)
Answer choice B
What do the boxes in a box plot represent
A quartile.
what is the main purpose of a bar graph?
the main purpose is to compare categories
Every stem plot must have a....
Key
when do I use std to find the spread?
When the shape is roughly symmetric
What is the formula for class width?
Max-min/the square root of n
What do the ends of the boxes in a box plot represent?
Q1 and Q3
What does the height of the bar tell you?
The value of the category
You must write each leaf in....
Numerical order
What is the formula to find the lower and upper bound
Q1-1.5(IQR) and Q3+1.5(IQR)
What is the formula to find the number of classes?
the formula is the square root of n.
What 5 numbers are needed to make a box plot?
Min, Max, Median, Q1, Q3.
If two bars are equal in height what does that mean?
3/ 1 2 3 4 5
4/ 4 8 7
5/ 1 4 5
How many values are 50 or more?
3
What do you call a graph where the majority of the date is to the left but there are two peaks?
Right Skewed Bimodal.