# Class Notes for Mathematics at Athabasca University (AU)

• 23 Result

AUmath215NurselFall

## math215 Lecture Notes - Lecture 1: Categorical Variable, Pie Chart

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Data collection is a process of gathering information using questionnaires, interviews, experiments, and field study. Data may be collected from two ma
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AUmath215cuntyFall

## math215 Lecture Notes - Lecture 1: Frequency Distribution, Time Series, Convenience Store

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Unit 1 introduces the fields of statistics; presents many of the terms used throughout this course; and examines common methods employed to organize, d
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AUmath215cuntyFall

## math215 Lecture Notes - Lecture 1: Continuous Or Discrete Variable, Quartile, Percentile Rank

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Solutions to unit 1 self test: a. Percentage frequency polygon for the sales transactions: the sales transactions are skewed leftward, meaning that mos
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AUmath215cuntyFall

## math215 Lecture Notes - Lecture 2: Frequentist Probability, Venn Diagram, Mutual Exclusivity

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Unit 1 introduced the two fields of statistics descriptive and inferential statistics but focused on descriptive statistics, which consists of the set
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AUmath215Sari GrabenFall

## math215 Lecture Notes - Lecture 8: Central Place Theory, Surface 2, Voronoi Diagram

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Distance decay: the declining intensity of any pattern or process with increasing distance from a given location. And other tangible commodities betwee
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AUmath215cuntyFall

## math215 Lecture Notes - Lecture 4: In Rainbows, Confidence Interval, Central Limit Theorem

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Unit 4 estimation and tests of hypotheses for one population. Solutions to unit 4 self test: a. , equals the population mean, , which equals 23 years o
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AUmath215ivantavarezFall

## math215 Lecture 2: Huso esférico

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AUmath215cuntyFall

## math215 Lecture Notes - Lecture 6: Confidence Interval, Prediction Interval, Air Pollution Index

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In unit 5, we considered tests of independence used to examine the relationship between two qualitative (categorical) variables. This unit focuses on b
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AUmath215ivantavarezFall

## math215 Lecture 1: Semirrecta que parte del vértice de un ángulo y lo divide en dos partes iguales

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Semirrecta que parte del v rtice de un ngulo y lo divide en dos partes iguales. La altura de un tri ngulo es el segmento perpendicular a un lado que va
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AUmath215EricSummer

## math215 Lecture Notes - Lecture 3: Prediction Interval, Probability Mass Function, Normal Distribution

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Assume x bin(n, : domain of variation : , n: probability mass function (pmf ) : x(cid:19) x(1 )n x, p(x) =(cid:18)n, cumulative distribution function (
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AUmath215cuntyFall

## math215 Lecture Notes - Lecture 3: Test Statistic, Sp1 Transcription Factor, Analysis Of Variance

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Unit 5 estimation and tests of hypotheses for two or more populations. Solutions to unit 5 self test: a. The formula for the confidence interval for th
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AUmath215cuntyFall

## math215 Lecture Notes - Lecture 6: Confidence Interval, Total Variation, Prediction Interval

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Solutions to unit 6 self test: a. , as well as the answers to subsequent questions, we suggest forming the following table to work out. X y s sxx s sxy
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