1- Draw a decision tree to represent the foliowing dataset:Weekend (Example) Weather Parents Money Decision (Category)YesRichCinemaSunnySunnyWindyRainyRainyRainyW1NoRichTennisW2CinemaCinema.YesRichW3YesPoorW4Stay inCinemaCinemaRichNoYesW5PoorW6NoPoorW7WindyWindyWindyNoRichShoppingW8YesRichCinemaW9W10NoRichTennisSunny

SOLUTION;- S = {W1,W2,…,W10}First of all, we need to calculate: Entropy(S) = … = 1.571 And Next,…

Answered: 1- Draw a decision tree to represent…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Statement: Consider an Air conditioner control system with given Rule Base and Rules Air Temperature Set cold {45, 30, 0} Set cool {65, 50, 40} Set just right {75, 65, 60} Set warm {85, 75, 65} Set hot {100, 90, 80} Fan Speed Set stop {20, 15, 0} Set slow {45, 35, 10} Set medium {65, 50, 40} Set fast {90, 75, 60} Set blast {o, 100, 80} Rules 1. IF Cold then Stop 2. If Cool then Slow 3. If Just right then Medium 4. If Warm then Fast 5. IF Hot then Blast Q1. If the temp is 45, then what will be the action? Also specify the rule Q2. If the temp is 80, then what will be the action? Also specify the rule. Q3. If the temp is 90, then what will be the action? Also specify the rule. Q4.Draw the graphs for both the rule base showing mapping along with suitable parameters. Q5. Determine the Linguistic variable and its linguistic values.
QUESTION TWO: The following marks were obtained by candidates in an examination (no fractions of a mark were awarded): Number of candidates Marks 0-5 2 6-10 8 11-15 20 16-20 30 21-25 50 26-30 80 31-35 120 36-40 150 41-45 200 46-50 220 51-55 280 56-60 320 .61-65 260 66-70 160 71-75 120 76-80 100 81-85 60 86-90 40 91-95 17 96-100 3 Total 2240 2. If the examining body wished to pass only one-third of the candidates, what should the pass mark be? 3. Compute the measures of central tendency and comment on each of them. 4. By computing the appropriate measures comment on the normality of the distribution. 888
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For the following Gaant Chart, Calculate the Average Wait time. REQUIRED: Show all work. PO Arrive 0 PO P1 Arrive 5 P1 P2 Arrive P4 Arrive 7 9 P2 P4 13 P4 Exit P3 Arrive P3 20 P3 Exit P2 Exit P2 P1 31 32 P1 Exit PO 37 PO Exit 40
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Bresenham's circle drawing technique requires a value of p, a decision parameter, to be determined. Bresenham's method for drawing a circle is detailed in this article.
Q1: Research Groups In response to popular demand, Dan’s established two research groups A and B composed of his n graduate students. Each of these students is a member of exactly one of the two groups at any given time. The students are numbered from 1 to n in some arbitrary order. To measure the success of his research groups, Dan assigns a citation score to each of them. Initially, both groups have citation score 0. Throughout the semester, events of the following two types happen: Student x publishes a paper in which they cite student y’s work (youcan assume all of the students have been around long enough to have prior research that can be cited). As a result, If x and y are in the same group, their group’s citation score increases by 1. If x and y are in different groups, y’s group’s citation score increases by 5. Dan changes student x’s group (from A to B or from B to A) to have them work on different projects. To assess the overall success of the research groups, Dan…

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