10.2 BEST Fit Lines
We have all drawn best fit lines, and we have also used LinReg ax+b on the
calculator. This is how the calculator actually finds the BEST fit
5.4 Geometric Distribution
Suppose we have an experiment where we will repeat binomial trials until we get
the FIRST success. We use n to denote the first trial th
12.1 The Fundamental Counting Principle and Permutations
FACTORIALS:
Definition: A factorial of n objects is denoted n! and represents :
n! = n (n 1) (n 2). 2 1
4! =
Question:
7! =
15!=
How many diffe
2.3 Ogives and Stem and Leaf Displays
Ogive -is a graph that displays cumulative frequencies. It is useful for determining
the number of data values above or below a
3.2 Measures of Variation
Range:
Standard Deviation: a measure that lets us know by how much a group of data
differs
Sample standard deviation s =
(x x )2
5.3 More Binomial Distribution
Graphs of Binomial Distributions
A waiter at a restaurant has learned over time that the probability that a lone diner
leaves a tip i
12.2 COMBINATIONS
Question 1: How many arrangements of 4 people in 3 chairs can we make, where order doesnt
matter?
Method 1: List all Possiblilities
ALL THE PERMUTATIONS ARE:
A
A
A
A
A
A
B
B
C
C
D
D
4.2 Probability of Compound Events
We want to find the probability of two events occurring TOGETHER. For this we
will use compound probability rules
Independent
2.1 Bar Graphs, Circle Graphs, and Time Plots
Features of a Bar Graph
1. Bars can be _ or _
2. Bars are of uniform _ and evenly _
3. The Lengths of the barts rep