Hypothesis Testing on the TI-83/84
Written by Jeff OConnell [email protected]
Ohlone Colleg e
http:/www2 .ohlone.edu/peop le2/joconnell/ti/ - A video tutor ial can b e found at this site
Stat vs. Data Throughout this section the calculator w ill ask yo
Statistics and Probability on the TI83/84
Written by Jeff OConnell [email protected]
Ohlone College
http:/www2.ohlone.edu/people2/joconnell/ti/
Entering Data - Data points are stored in Lists on the TI-83/84. If you haven't used the calculator before,
Confidence Intervals on the TI-83/84
Written by Jeff OConnell [email protected]
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
Statistics and Distributions on the TI-83/84
83/84
,
The TI-83/84 family of graphing calculators comes equipped with many statistics functions, from simple
computations to complex tests. We wil discuss in this handout several distributions comm
ll
monly u
MATH STATISTICS - Review 2 CH 4-6
SHOW WORK FOR FULL CREDIT
Name_
Find the indicated probability.
1) A bag contains 6 red marbles, 3 blue marbles, and 5 green marbles.
a) If a marble is randomly selected from the bag, what is the probability that it is bl
MATH 160 STATISTICS
CLASS SCHEDULE SPRING 2012
DAY
ACTIVITY
Tuesday, January 31
Introduction
Chapter 1: Picturing Distributions with Graphs
Thursday, February 2
Chapter 2: Describing Distributions with Numbers
Tuesday, February 7
Chapter 3: The Normal Dis
MATH 160 INTRODUCTION TO STATISTICS
EXAM #1 REVIEW NAUTA
DATA:
1. Identify the individuals and variables in a set of data.
2. Identify each variable as categorical or quantitative.
3. Identify the explanatory and response variables in situations where one
96 Chapter 3 Statistics for Describing, Exploring, and Comparing Data
—6
M r fV n i n
GMaﬁmM? m5 eﬁuao aao
The time unit 01 1 second is
defined to be “the duration of
9.192,631,770 periods of the
radiation corresponding to the
transition between the two
3-2 Measures of Center
center, but also to interpret those values. Part 1 of this section includes core concepts
that should be understood before considering Part 2.
Part 1: Basic Concepts of Measures of Center
In this Part 1, we introduce the mean, media
MATH STATISTICS - REVIEW 3 CH 15-21
SHOW WORK FOR FULL CREDIT
Name_
Use the given condence level and sample data to construct a condence interval for the population proportion p or
population mean . Assume that the population is normally distributed.
(Hin
MATH STATISTICS - Review 1 CH 1-9
Name_
Denitions, vocabulary and sampling.
1) In a random sample of 160 women, 78% favored stricter gun control laws. In a random sample of 220 men,
61% favored stricter gun control laws. Is there statistically signicant e
MATH 160 'QUIZ #4 FORM A
NAME K '- \7 A ' SEAT NUMBER
Last First
Each problem on this quiz is worth 10 points.
1. Sheila's doctor is concerned that she may suffer from gestational diabetes. There is variation both in the actual
glucose level and in th
@
MATH 160 ~ QUIZ #3 FORM A
Name H EC" i A Row/Seat
LAST FIRST .
Each problem on this quiz is worth 10 points.
1. A firm wants to understand the attitudes of its managers toward its system for assessing management performance.
Below is a list of all the r
Math 160 - Cooley
Intro to Statistics
OCC
Section 9.2 Critical-Value Approach to Hypothesis Testing
Test Statistic : The statistic used as a basis for deciding whether the null hypothesis should be rejected.
Rejection region : The set of values for the te
Math 160 - Cooley
Intro to Statistics
OCC
Section 12.3 Inferences for Two Population Proportions
The Sampling Distribution of the Difference Between Two Sample Proportions for Independent Samples
For independent samples of sizes n1 and n2 from the two pop
Math 160 - Cooley
Intro to Statistics
OCC
Section 12.1 Confidence Intervals for One Population Proportion
Population Proportion and Sample Proportion
Consider a population in which each member either has or does not have a specified attribute. Then we use
Math 160 - Cooley
Intro to Statistics
OCC
Section 12.2 Hypothesis Tests for One Population Proportion
HYPOTHESIS TEST #5 The One-Proportion z-Test
Purpose: To perform a hypothesis test for a population proportion, p.
Assumptions:
1) Simple random sample
2
Math 160 - Cooley
Intro to Statistics
OCC
Section 13.2 Chi-Square Goodness-of-Fit-Test
Expected Frequencies for a Goodness-of-Fit Test
In a chi-square goodness-of-fit test, the expected frequency for each possible value of the variable is found by
using t
Math 160 - Cooley
Intro to Statistics
OCC
Section 16.1 The F-Distribution
Analysis-of-variance (or ANOVA) procedures rely on a distribution called the F-distribution, named in honor of
Sir Ronald Fisher. A variable is said to have an F-distribution if its
Math 160 - Cooley
Intro To Statistics
OCC
Section 14.4 Linear Correlation
Consider the following three scatterplots.
Figure A
Figure B
Figure C
The objective is to determine how strong of a relationship there is, if any, among the x and y-values.
To answe
Math 160 - Cooley
Intro to Statistics
OCC
Section 9.4 Hypothesis Tests for One Population Mean When Is Known
HYPOTHESIS TEST #1 The One-Mean z-Test
Purpose: To perform a hypothesis test for a population mean, .
Assumptions:
1) Simple random sample
2) Norm
Math 160 - Cooley
Intro to Statistics
OCC
Section 9. 5 Hypothesis Tests for One Population Mean When is Unknown
HYPOTHESIS TEST #2 The One-Mean t-Test
Purpose: To perform a hypothesis test for a population mean, .
Assumptions
1) Simple random sample
2) No
. 32,0)
MATH 160 QUIZ #2 FORM A
7L.
LAST
Name R
FIRST
Each probiem on this quiz is worth 10 points.
1. Manatees are large, gentle sea creatures that live along the Florida
boats. Here are data on power boat registration (in thousands) and t
years 1977 t
MATH 160 QUIZ #5 'FORM A '
INTRODUCTION To STATISTICS
FIRST
NAME KEV A SEAT NUMBER
LAST
This quiz is worth 30 points.
1. The management of Priority Health Club claims that its members lose an average 10 pounds within the first month
after joining the c
ROW/S EAT
last first
Problem #1 on this quiz is worth 20 points. Problem #2 is worth 10 points.
1. The following data give the money (in dollars) spent on cofle
e in a week by 14 students in a statistics class;
29 50 30 05 45 44 23 32 39 1