Confidence Intervals on the TI-83/84
Written by Jeff OConnell joconnell@ohlone.edu
Ohlone College
http:/www2.ohlone.edu/people2/joconnell/ti/ - A video tutorial can be found at this site
Stat vs. Data Throughout this section the calculator will ask you if
2. Sampling and Measurement
Variable a characteristic that can vary in value
among subjects in a sample or a population.
Types of variables
Categorical (also called qualitative)
Quantitative
(There are different statistical methods for each type)
Categ
Student: Instructor: Dave Medd Assignment: Homework 1 - What is
Date: Colu'se: Math 369 - Fall 3010 statistics?.-"Int1o
Time : B o ok: T1i o l afGo o (h11a11-"Law.-"LaBrrte :
Elementary Statistics. 3ce
1_ Determine whether the value is from a discrete or
Types of variables
Two types of variables: 1. Categorical variables have two measurement levels or scale:
nominal scale and ordinal scale and 2. Numerical variables have two measurement levels
or scale: interval scale and ratio scale
Levels of Measurement
Types of variables
Two types of variables: 1. Categorical variables have two measurement levels or scale:
nominal scale and ordinal scale and 2. Numerical variables have two measurement levels
or scale: interval scale and ratio scale
Levels of Measurement
TEST 2, SPRING 2015, NAME_
PROBABLITY AND STATISTICS
I. Binomial Probability Distributions
1. Create and fill out the probability distribution table for n = 8, p = 0.36
a. List the 3 descriptors for the above distribution.
2. Create and fill out the proba
TEST 2, SPRING 2015, NAME
PROBABLITY AND STATISTICS
I
Binomial Probability Distributions
1. Create and ll out the probability distribution table for n = 8, p = 0.36
a. List the 3 descriptors for the above distribution.
2. Create and ll out the probability
Student:
Date:
Time:
Instructor: Dave Medd
Colu'se: Math 369 - Fall 3010
Book: Triola-"Gooch11a11-"Law.-"LaBlite:
Elelnentaiy Statistics. 3ce
Assignment: Homework 3 - Central
Tendancy
A simple random sample of pages from a particular dictionary was obtain
TEST 3, SPRING 2015, NAME
PROBABLITY AND STATISTICS
I Vocabulary - Fill in the Blank - Chapters 1-3
1. The
is NOT a distribution or a shape
or type of data, it is nothing more than a way to standardize data for comparison, a mathematical tool for transfor
390
Glossary of Symbols
Mathematical Symbols
b>c
b<c
b=c
bzc
Statistical Symbols
a
a, b,c, andd
A, B, andC
b
C
d
D
df
f
H
H0
b greater than c
1: less than c
12 equal to c
b approximately equal to c
Plus
Minus
Plus or minus
Innity
Square root
Multiplicatio