Honors Statistics September 21-23 2022

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Northern Virginia Community College *

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653B

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Statistics

Date

Jan 9, 2024

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docx

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Uploaded by CountSparrow3921

Honors Probability and Statistics September 22-23, 2022 Class Business Project, Homework, Quiz  Data for Razor Project Due on Friday – September 23, 2022  Quiz: Chapters 1 and 2 – September 26 Pink Tax Essay Our investigation of the Pink Tax is an observational study. We are compiling data that we observe from our visits to the store. We will write an essay on our findings. That essay will emphasize concepts we have learned to date such as population parameters, sample statistics, central tendency, measures of spread and shape, and include calculations and graphing by hand and by using calculators. Rollercoasters I. Introduction 1. Dahlonega - https://www.coaster101.com/2019/02/20/15-fun-roller-coasters-under-35- mph/ 2. Santa Claus Land – Legend - https://www.youtube.com/watch?v=C3HGXMXTzW4 3. Hershey Park – Candymonium https://www.youtube.com/watch?v=0rp82QXZd-0 4. Tiger and Turtle: https://www.youtube.com/watch?v=J1ebIpVXhE8 5. https://www.youtube.com/watch?v=ajHS52_gw-k – santa A. Purpose The purpose of this study is to examine the differences in construction material and the lengths and speeds of roller coasters in the United States. We speculate that there is an association between the age of a roller coaster and the type of material that it is made of. B. Background https://rcdb.com/ https://www.statisticsteacher.org/2022/03/23/diggingdata/ https://concord-consortium.github.io/codap- data/SampleDocs/Science/PhysChem/rollercoasters/roller-coasters-lesson-plan.pdf https://www.ultimaterollercoaster.com/coasters/the-voyage II. Hypothesis

H 0 : There is no association between speed of a track and its state location. III. Data We could collect data on rollercoasters. We are going to rely on data obtained from another source: https://codap.concord.org/releases/latest/static/dg/en/cert/index.html#shared=19414 IV. Analysis of Data A. Univariate Description B. Bivariate Description C. Testing Hypothesis V. Conclusion Review of Material 1. Marginal and Conditional Charts for Categorical Variables 2. Pie charts 3. Bar Charts

4. Pareto Charts – A specific type of bar chart.

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Graphing Calculators – Random Number Generator 2ND/QUIT MATH/PRB/5 (1,24,8) STO 2ND L1 or 2ND L2 or 2ND L3 These numbers are now stored in a list that can be accessed at: STAT/EDIT