Chapter 8: Hypothesis testing
Steps in Hypothesis Testing- Traditional Method z Test for a Mean t Test for a Mean Test for a Variance or Standard Deviation
Steps in Hypothesis Testing- Traditional Method
A statistical hypothesis is a conjecture about a
CHAPTER 1 ASSIGNMENT WHAT IS STATISTICS?
Part I Classify the following sets of data as qualitative or quantitative.
_Qualitative_ 1. The religious affiliations of college students _quantitative_ 2. The height of each member of a basketball team _ _ _
quan
CHAPTER 2 ASSIGNMENT Part 1:- Circle the most accurate answer for each of the following:
1. If a data set for a qualitative variable has 20 observations spread over 5 different values, then how many bars will this bar graph have? A) 4 B) 5 C) 15 D) 20 A 1
Dr. Ehab F. Abd-elfattah
e.fattah@ajman.ac.ae
Statistics
Bluman A. (2012) Elementary statistics : A step by step approach. 8th ed., McGraw Hill, New York.
Chapter 1: The nature of probability and statistics
Introduction 11 Descriptive and Inferential Sta
Chapter 7: Confidence Intervals and Sample Size
Confidence Intervals for the Mean When is Known. Confidence Intervals for the Mean When is Unknown.
Confidence Intervals for the Mean When is Known:
A point estimate is a specific numerical value estimate
Chapter 6: The Normal Distribution
Normal Distributions Applications of the Normal Distribution The Central Limit Theorem The Normal Approximation to the Binomial Distribution.
The Normal Distribution :
A normal distribution is a continuous, symmetric,
Chapter 5: Discrete probability distributions
Probability Distributions Mean, Variance, Standard Deviation, and Expectation The Binomial Distribution Other Types of Distributions
Probability Distributions
A random variable is a variable whose values are
Chapter 4: Probability and counting rules
4-1 Sample Spaces and Probability 42 The Addition Rules for Probability 43 The Multiplication Rules and Conditional Probability 44 Counting Rules 45 Probability and Counting Rules
Sample Spaces and Probability
A
Chapter 3: Data Description
31 Measures of Central Tendency 32 Measures of Variation 33 Measures of Position 34 Exploratory Data Analysis
3-1 Measures of Central Tendency
A statistic is a characteristic or measure obtained by using the data values from a
Chapter 2: Chapter 2 Frequency Distributions and Graphs q y p
Introduction d 21 Organizing Data g g 22 Histograms, Frequency Polygons, and Ogives 2 3 Other Types of Graphs 23 Other Types of Graphs
Organizing Data Organizing Data
Data original form are cal
Ajman University of Science & Technology Network
Ajman Campus
Faculty of University Requirements & Counseling Basic Science Unit
2010 / 2011
1
Circle the most accurate answer for each of the following:
Consider the following sample of values for a random
CHAPTER 5 ASSIGNMENT A SURVEY OF PROBABILITY CONCEPTS
Part I Select the correct answer and write the appropriate letter in the space provided.
_ 1. Which of the following statements regarding probability is always correct? a. A probability can range from
CHAPTER 3 ASSIGNMENT Part 1:- Circle the most accurate answer for each of the following:
1. If the mean of a set of data is 23.00, and 12.60 has a z-score of 1.30, then the standard 1. deviation must be: A) 4.00 B) 32.00 C) 64.00 D) 8.00
2. Find the z sco
CHAPTER 4 ASSIGNMENT Q1) The fuel tank capacity in gallons and the cruising range is given for 6 SUV's. Capacity in gallons Cruising range in miles 22 445 21 405 23 410 24 420 24 365 a. Develop a scatter diagram for the data. b. How would you characterize