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INTRODUCTION TOO MATHEMATICS STATISTICS ACTUAL EXAM AND PRACTICE EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+$15.49
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INTRODUCTION TOO MATHEMATICS STATISTICS ACTUAL EXAM AND PRACTICE EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
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Course
Introduction to ntroductio
Institution
Introduction To Ntroductio
INTRODUCTION TOO MATHEMATICS
STATISTICS ACTUAL EXAM AND
PRACTICE EXAM COMPLETE
QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
INTRODUCTION TOO MATHEMATICS
STATISTICS ACTUAL EXAM AND
PRACTICE EXAM COMPLETE
QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
Statistics - ✔✔ANSWER✔✔-it is the science collecting describing
and interpreting data
TWO AREA OF STATISTICS - ✔✔ANSWER✔✔-descriptive and
inferential
descriptive - ✔✔ANSWER✔✔-the collection and presentation ,
and description of data
inferential - ✔✔ANSWER✔✔-making decision and drawing,
conclusion about population
Types of inferential statistics - ✔✔ANSWER✔✔-parametric and
non-parametric
Non-parametric - ✔✔ANSWER✔✔-qualitative, non probability,
sampling and not distributed
,dummy variable - ✔✔ANSWER✔✔-is a numerical presentation of
variable
basic research process - ✔✔ANSWER✔✔-1. research question
and hypothesis
2.choose operational measure
3.choose research design
4.analyze gather data
5. draw conclusion
types of hypothesis - ✔✔ANSWER✔✔-null and alternative
null hypothesis - ✔✔ANSWER✔✔-a statement or idea that can be
falsified, or proved wrong
or no relationship between variable
alternative hypothesis - ✔✔ANSWER✔✔-the hypothesis that a
proposed result is true for the population or there is a relationship
between variable
Population - ✔✔ANSWER✔✔-set of all measurement of interest
to investigate
Types of Variables - ✔✔ANSWER✔✔-independent and
dependent
Variables - ✔✔ANSWER✔✔-Any measurable conditions, events,
characteristics, or behaviors that are controlled or observed in a
study.
Qualitative - ✔✔ANSWER✔✔-Data in the form of words
Quantitative - ✔✔ANSWER✔✔-Data that is in numbers
,Data (singular) - ✔✔ANSWER✔✔-The value of the variable
associated with one element of a population or sample. This value
may be a number, a word, or a symbol.
Data (plural) - ✔✔ANSWER✔✔-The set of values collected for
the variable from each of the elements belonging to the sample
experiment - ✔✔ANSWER✔✔-a scientific procedure undertaken
to make a discovery, test a hypothesis, or demonstrate a known
fact.
Parameter - ✔✔ANSWER✔✔-numerical summary of a population
Statistics - ✔✔ANSWER✔✔-numerical data
sample - ✔✔ANSWER✔✔-A relatively small proportion of people
who are chosen in a survey so as to be representative of the
whole.
scale of measurement - ✔✔ANSWER✔✔-nominal, ordinal,
interval, ratio
nominal - ✔✔ANSWER✔✔-categorizing variable
Ordinal - ✔✔ANSWER✔✔-rank, order
interval - ✔✔ANSWER✔✔-countable variable : temperature sat
score, credit score
ratio - ✔✔ANSWER✔✔-uncountable variables :distance, area,
height, weight, length and etc
, dependent variable - ✔✔ANSWER✔✔-it is affected by the
independent variable
independent variable - ✔✔ANSWER✔✔-it is data that effect the
dependent
Variability - ✔✔ANSWER✔✔-it refers to how spread out a set of
data is
measuring and characterizing variability - ✔✔ANSWER✔✔-one of
primary objective of statistics
statistical process control - ✔✔ANSWER✔✔-it is the process of
controlling variability in a manufacturing process
Data Collection - ✔✔ANSWER✔✔-the process of gathering
information and measuring information on targeted variable in an
establishes system
Method used to collect data - ✔✔ANSWER✔✔-Experiment
survey
census
experiment - ✔✔ANSWER✔✔-control of modifies the
environment.
survey - ✔✔ANSWER✔✔-the collection of data by having people
answer a series of questions; does not modify the environment
and deal with sample
census - ✔✔ANSWER✔✔-total enumeration;
100% survey meaning that every element in the population is
listed
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