Chapter 3 Summaries: Chapter 3 talks about descriptive statistics with numerical measures. These measures consist of location and variability. The measures of locations are mean‚ median‚ mode‚ weighted mean‚ geometric mean‚ percentiles‚ and quartiles. If these measures are computed for data from a sample it’s called sample statistics. If these measures are computes as population it’s called population parameters. A sample statistic is mentioned to as the point estimation of the agreement with
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What are the coordinates of the right endpoint of the segment? (Note that the right endpoint should be fixed so that the total area under the curve is 1. This is required for a valid density curve.) b. Determine the median‚ the first quartile (Q1)‚ and the third quartile (Q3). c. Relative to the median‚ where would you expect the mean of the distribution to lie? Explain briefly. The distribution is skewed left‚ so the mean will be left of the median. d. What percent of the observations lie below 0
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this term in year 11 we have collected data from two different species of trees and compared this data in graphs and statistics. we needed to prove or decline that as trees grow larger there leavs get smaller due to the fluid flow within the tree TABLE OF CONTENTS Part A: INTRODUCTION EXPECTAIONS‚ PREDICTIONS AND ASSUMPTIONS PAGE 3 DATA SECONDARY DATA – STEM AND LEAF PLOT PAGE 4 SECONDARY DATA – LINE GRAPH AND OGIVES PAGE 6 SECONDARY DATA
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section in the textbook!) a. Find the sample mean x ANSWER = 1.48 b. Find the sample standard deviation‚ s ANSWER S=1.12 c. Complete the columns of the chart. #of movies Bin Frequency Cumulative % 0 0 1 20.00% 1 2 2 60.00% 2 More 2 100.00% 3 4 d. Find the first quartile. ANSWER =1 e. Find the median. ANSWER =1 f. Find the third quartile. ANSWER =2 g. What percent of the students saw fewer than three movies? 20/100 =20% h. Find
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Analysis Descriptive statistics There six variables that we will analyse in this section‚ and shall be done one at a time. There are three different account types that are extracted from our sample. They are: * V: Visa * S:Savings * C: Cheque Refer to the frequency table and the pie chart provided in the appendices‚ you will notice that 6% of the sample have C accounts‚ 33% of the sample data have S accounts; and 61% of the sample data have V accounts. We can now refer to the
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histogram. c. If you had to tell the president of the company how long a customer should expect to wait to have a complaint resolved‚ what would you say? Explain. d. Compute the mean‚ median‚ first quartile‚ and third quartile. e. Compute the range‚ interquartile range‚ variance‚ standard deviation. f. Construct a box plot. Are the
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Title: Is the net Weight of Grace Chicken Soup Actually 60 grams? Name of Candidate: Sba Example Center Number: 100033 Candidate Number: Teacher: Anybody Acknowledgement I must first thank the Lord God for blessing me with the knowledge‚ wisdom‚ strength and understanding in completing my Internal Assessment. Secondly‚ I would like to express my sincerest gratitude to my teacher Mr. Darron Fraser who has remain committed for several years‚ gone beyond his call of duty in his efforts to
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2 6 3 4 4 1 Table 1.1 (Hint: This is a frequency table. Read the section in the textbook!) a. Find the sample mean x = 1.48 b. Find the sample standard deviation‚ s = 1.12 c. Complete the columns of the chart. = d. Find the first quartile. = 1 e. Find the median. = 1 f. Find the third quartile. = 2 g. What percent of the students saw fewer than three movies? = 80% h. Find the 40th percentile. = 1 i. Find the 90th percentile. = 3 Exercise 2 (5 points) I. A “random
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Dani Socher Statistics Project Mr. Seufer 1/15/2013 Shooting Guards and Field Goal Percentage In the NBA‚ games are won by shooting the ball well‚ which makes sense. The more times your team’s players get the ball in the hoop‚ the more points are scored. And the more points scored‚ the more games won. Obviously‚ it is a little more complicated than that in reality‚ given how important defense is. But field goal percentage should be a solid indicator of games won. Field goal percentage is as
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AIM: i)To investigate the dependence‚ of the angle of deviation on the angle of incidence‚ using a hollow prism filled one by one with different transparent fluids. APPARATUS REQUIRED: Drawing board White sheets of paper Hollow prism Different liquids(water‚ kerosene‚ oil‚ spirit etc.) Drawing pins Pencil Half meter scale Thumb pins Graph papers A protractor INTRODUCTION: In optics‚ a prism is a transparent optical element with flat‚ polished surfaces that refract light. The
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