Chapter 2
Descriptive Statistics
*In this chapter we will begin to organize and describe data sets.
Sec 2.1: Frequency Distributions and Their Graphs
Frequency Distribution: A table that shows classes or intervals of data with
a count (called the frequenc
Mth 139 Review #3
Chapters: 6, 7
1. A random sample of 56 American beech trees has a mean height of 10.452 meters. The
population standard deviation is known to be 2.130 meters. Construct a 95% confidence
interval for the population mean. (Be able to inte
Chapter 1: Introduction to Statistics
Sec 1.1: An Overview of Statistics
Important Definitions:
1. Statistics: Science of collecting, organizing, analyzing, and
interpreting data in order to make decisions.
2. Data: Consists of information coming from obs
Chapter 7: Hypothesis Testing With One Sample
Sec 7.1: Introduction to Hypothesis Testing
Hypothesis Testing: A process that uses sample statistics to test a claim
about the value of a population parameter.
Statistical Hypothesis: A Claim about a populati
CHAPTER 6: Confidence Intervals
Sec 6.1: Confidence Intervals for the Mean ( known)
Point Estimate = A single value estimate for a population parameter. x is the best
single point estimate for .
Interval Estimate = Is an interval, or range of values, used
Chapter 3: Probability
Sec 3.1: Basic Concepts of Probability
Definitions:
1. Probability Experiment = An action or trial through which specific results are
obtained.
2. Outcome = The result of a single trial in a probability experiment.
3. Sample Space =
Insurance Services provided by various banks is commonly known as _
A. Investment Banking
B. Portfolio Management
C. Micro Finance
D. Bancassurance
E. None of these
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