STAT 1020

• 10 pages

  • test 3
  • Wayne State University
  • STAT 1020 - Winter 2014
  • STAT 1020 Midterm II Note: You must Show all work for credit. 1. (20 pts) You ip a. coin four times, getting either head or tail on each. (a) Display the complete sample space, showing all possibilities.(10 ptS) (b) What is the probability of getting exac
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  test 3

• 1 pages

  • Final Exam Study Guide
  • Wayne State University
  • STAT 1020 - Winter 2013
  • Final Exam Study Guide STA 1020 1. Population/sample 2. Parameter/Statistic 3. Experiment/observational study 4. Explanatory/Response Variable 5. Simple random/voluntary response/convenience sample 6. Relation of sample size to variability 7. Validity/rel
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  Final Exam Study Guide

• 26 pages

  • Chapter01
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 1 Where Do Data Come From? Chapter 1 1 Thought Question 1 From a recent study, researchers concluded that high levels of alcohol consumption resulted in lower graduation rates at colleges. How do you think this study was carried out in order to ge
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  Chapter01

• 28 pages

  • Chapter02
  • Wayne State University
  • STAT 1020 - Winter 2013
  • Review Observational study and Experiment Individuals, population and sample Sample survey and Census Chapter 2 1 Review Observational Study Observes individuals and measures variables of interest but does not attempt to influence the responses. Exp
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  Chapter02

• 26 pages

  • Chapter05
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 5 Experiments, Good and Bad Chapter 5 1 Example: Online Learning In a study at Nova Southeastern University, Florida the authors claim that students taking undergraduate courses online were equal in learning to students taking the same course in c
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  Chapter05

• 8 pages

  • test 1
  • Wayne State University
  • STAT 1020 - Winter 2014
  • STAT 1020 Exam 1 Name: Part I : Multiple Choice, 3 pts each. Choose the BEST answer for each question. Put the letter of our choice for each cuestion into this table. 24 25 .l 1. The Gallup Poll asks 1 1 l 1 American residents age 18 or over, "
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  test 1

• 4 pages

  • quiz 5
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Quiz 5 Name: Does using a cell phone while driving make an accident more likely? Researchers compared telephone company and police records to find 699 people who had cell phones and were also involved in an auto accident. Using phone billing records, they
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  quiz 5

• 30 pages

  • Chapter03
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 3 What Do Samples Tell Us? Chapter 3 1 Thought Question 1 During a medical exam, the doctor measures your cholesterol two times. Do you think both measurements would be exactly the same? Why or why not? Chapter 3 2 Thought Question 2 To estimate t
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  Chapter03

• 49 pages

  • Chapter11
  • Wayne State University
  • STAT 1020 - Spring 2012
  • Chapter 11 Displaying Distributions with Graphs Chapter 11 1 Recall Categorical Variable: Just record group membership (using pie chart or bar graph) Quantitative Variable: takes numerical values and it may has too many values Chapter 11 2 Comparing tui
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  Chapter11

• 32 pages

  • Chapter13
  • Wayne State University
  • STAT 1020 - Spring 2012
  • Chapter 13 Normal Distributions Chapter 13 1 The Normal Distribution Figure 13.7 Two Normal curves. The standard deviation fixes the spread of a Normal curve. Chapter 13 2 Normal Density Curve The normal curves are symmetric, bellshaped curve has these pr
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  Chapter13

• 29 pages

  • review_part1
  • Wayne State University
  • STAT 1020 - Winter 2013
  • Review Questions for Midterm Part 1 1. A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from her PSY 120 class and finds that 42 of them are fooled by the illusion. The populat
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  review_part1

• 26 pages

  • Chapter02
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Review Observational study and Experiment Individuals, population and sample Sample survey and Census Chapter 2 1 Review Observational Study Observes individuals and measures variables of interest but does not attempt to influence the responses. Exp
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  Chapter02

• 65 pages

  • chapter 14
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 14: Describing Relationships: Scatterplots and Correlation Introduction A problem that often arises in the social sciences, economics, industrial applications, and biomedical settings is that of investigationg the mathematical relationship between
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  chapter 14

• 44 pages

  • Chapter10
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 10 Graphs, Good and Bad Chapter 10 1 Why ? Statistics deals with data We use tables and graphs to present data Tables and graphs help us see what data say But not all tables and graphs do so accurately or clearly. Chapter 10 2 Example: What makes
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  Chapter10

• 2 pages

  • quiz 2 solution
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Name: Quiz 2 1. Before the 2008 presidential campaign, Gallup Poll asked a SR8 of 1,000 Rhode Island residents for whom they would vote for president; 620 said Obama. The margin of error for 95% confidence for this poll is: (a) 8% (b) 62% (c) 4% (d) 59%
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  quiz 2 solution

• 4 pages

  • quiz 3
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Use the following to answer questions 4-5: A researcher studied whether meeting regularly with a weightloss counselor helps dieters lose weight. Eighty dieters were available for the study Half the dieters, assigned at random, received weightloss counseli
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  quiz 3

• 2 pages

  • quiz 8
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Name: Quiz 8 Use the following to answer questions 13: Suppose that the Blood Alcohol Content (BAC) of students who drink ve beers varies from student to student according to a normal distribution with mean 0.07 and standard deviation 0.01. 1. The middle
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  quiz 8

• 4 pages

  • quiz 7
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Quiz 7 Name: Use the following to answer questions 12: Here is a stemplot of the percent of males, 15 and older, who are illiterate in 139 countries, according to the United Nations. For example, the highest illiteracy rate was 69%, in the African country
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  quiz 7

• 2 pages

  • quiz 9
  • Wayne State University
  • STAT 1020 - Winter 2014
  • STAT 1020 Quiz 9 1. Consider the situation of rolling an 8 sided die and a. 4sided die, and then adding the resulting numbers. (a) What is the probability model? (b) What is the probability that the sum of two numbers will be 9? (c) What is the probabilit
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  quiz 9

• 2 pages

  • Quiz 4
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Name: Quiz 4 1. [10] In the Statistical Abstract we find these data on the marital status of adult American women as of 1998: marital status never married married widowed divorced count (thousands) 21043 59255 11027 11078 Percentage a) State the variable
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  Quiz 4

• 2 pages

  • STAT 1020 syllabus
  • Wayne State University
  • STAT 1020 - Winter 2014
  • STAT 1020 Elementary Statistics CRN: 25871 Section 013 Winter 2014 Monday, Wednesday, Friday 9:35 10:30am Room 113 State Hall Instructor: Hailong Guo Email: [email protected] Office: 1138 FAB Office Hours: M W 10:30 11:30am and by appointment OVERVIEW Th
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  STAT 1020 syllabus

• 12 pages

  • test 2
  • Wayne State University
  • STAT 1020 - Winter 2014
  • I;qu lL MG) lg O 1 T 3 (f w 3 1r T 8 lT 3 3 3 3 6 T 8? l8 9 r I? it 9 Lo 3 1| 7 1:. 73 3 7 ur S T 9? M 2.6 ,+ U») Th2 Mean posmon lomuon f5 1&1 Z ._ IUHLR _ M T Hm luwev lwd g H my) 1;. 2/ m) 19.2) m, m, m, MUM)! .si "s (hug m \/ 72) mm mm) qudt rlML vs
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  test 2

• 39 pages

  • chapter 18
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 18: Probability Models Example 1 Someone selects a chocolate at ramdom from the bag ? 2 Example 1 Someone selects a chocolate at ramdom from the bag ? What does it mean that they select at random? 2 Example 1 Someone selects a chocolate at ramdom
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  chapter 18

• 17 pages

  • Chapter08
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 8 Measuring Chapter 8 1 Measurement We measure a property of a person or thing when we assign a number to represent the property. We often use an instrument to make a measurement. We may have a choice of the units we use to record the measuremen
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  Chapter08

• 38 pages

  • Chapter06
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 6 Experiments in the Real World Chapter 6 1 Example: The case of fickle mice In the real world experiments dont always go smoothly. Even if they do we cant always take a firm stand on the findings. Is our behavior coded into our genes? To find
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  Chapter06

• 55 pages

  • chapter 15
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 15: Describing Relationships: Regression, Prediction ,and Causation Goal If a scatterplot shows a straight-line relationship between two quantitative variables, we would like to summarize this overall pattern by tting" a line to the data. 2 Exampl
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  chapter 15

• 34 pages

  • chapter 17
  • Wayne State University
  • STAT 1020 - Winter 2014
  • Chapter 17: Thinking About Chance Chance events in real life We are inundated everyday with numbers which quantify the chance of something occurring in the future (perhaps to us); e.g., 2 Chance events in real life We are inundated everyday with numbers w
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  chapter 17

• 13 pages

  • Study Guide Bio 1050 final
  • Wayne State University
  • STAT 1020 - Winter 2013
  • BIO 1050 Study Guide 1. What is the formula for cellular respiration? What is the product? 2. Is cellular respiration endergonic or exergonic? It is exergonic because energy such as ATP is produced. The reactants have more energy than the products 3. What
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  Study Guide Bio 1050 final

• 6 pages

  • Final Study Guide
  • Wayne State University
  • STAT 1020 - Winter 2013
  • Formulas for respiration and photosynthesis and what the product is What is reduced and what is oxidized for each reaction^ (oxygen is reduced and glucose is oxidized in cellular respiration Know if cellular respiration is exergonic or endergonic Know wha
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  Final Study Guide

• 20 pages

  • Chapter15
  • Wayne State University
  • STAT 1020 - Spring 2012
  • Chapter 15 Describing Relationships: Regression, Prediction, and Causation Chapter 15 1 Regression Line A regression line is a straight line that describe how a response variable y changes as an explanatory variable x changes. We often use a regression li
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  Chapter15

Recent Documents

• 4 pages

  • STA1020.Diwadkar
  • Wayne State University
  • STAT 1020 - Winter 2013
  • STA 1020 SECTION 1: FALL 2016 ELEMENTARY STATISTICS INSTRUCTOR: Dr. Jyotsna M. Diwadkar COURSE REFERENCE NUMBER : 10732 OFFICE HOURS: Mon- Wed 12:15 - 1 FAB 1211 Email: [email protected] MEETINGS: 9:35 to 10:30 MWF State Hall 0113 Tues-Thurs 12:15 to 1:15
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  STA1020.Diwadkar