Stats Essay

723 Words Oct 15th, 2014 3 Pages
CRAM Exclusive
Essay Sample
Tutorial 1 Hilda Liyana (BA1401) Introduction to Statistics Prepare answers for the following questions to be discussed in class: Distinguish Between a Population and a Sample 1. Write the word or phrase that best completes each statement or answers the question. Identify the population and the sample. a. A survey of 1378 American households found that 27% of the households own a computer. Population – responses of all American households. Sample – responses of 1378 American

middle of document…

Identify whether the statement describes inferential statistics or descriptive statistics.

a. The average age of the students in a statistics class is 19 years.

Inferential Statistics

b. The chances of winning the California Lottery are one chance in twenty-two million.

Inferential Statistics

c. There is a relationship between smoking cigarettes and getting emphysema.

Descriptive Statistics

d. From past figures, it is predicted that 19% of the registered voters in California will vote in the June primary.

Descriptive Statistics



4. Determine whether the data are qualitative or quantitative.

a. the colors of automobiles on a used car lot

Qualitative

b. the number of complaint letters received by the United States Postal Service in a given day

Quantitative

c. the number of seats in a movie theater

Quantitative

d. the numbers on the shirts of a girlʹs soccer team

Quantitative



5. The following questions were asked to a class of 36 students in a survey. Indicate whether they are qualitative or quantitative.

a. Religion

Qualitative

b. Gender

Qualitative

c. Date of birth

Quantitative

d. Hobbies

Qualitative

e. Amount of pocket money

Quantitative

f. Body temperature

Quantitative

g. Favourite food

Qualitative



Classify Data with Respect to the Four Levels of Measurement

6. Identify the data setʹs level of measurement (i.e. ratio, ordinal, interval,
CRAM Exclusive
Mage59618Wind

Related Documents

  • Stat 200 Final Exam Essay

    STAT 200: Introduction to Statistics Final Examination, Fall 2015 OL1/US1 Page 1 of 6 STAT 200 OL1/US1 Sections Final Exam Fall 2015 The final exam will be posted at 12:01 am on October 9, and it is due at 11:59 pm on October 11, 2015. Eastern Time is our reference time. This is an open-book exam. You may refer to your text and other course materials as you work on the exam, and you may use a calculator. You must complete the exam individually. Neither collaboration nor consultation

    Words: 1909 - Pages: 8
  • Essay Stats

    □ EXERCISE 11 Questions to be Graded 1. What demographic variables were measured at least at the interval level of measurement? Age (yrs), Income (annual)($), Length of labor (hrs), Return to work (wks), and Number of hours working per week were measured at least at the interval level of measurement 2. What statistics were used to describe the length of labor in this study? Were these appropriate? Yes, Frequency (30) and mean (14.63) are used to describe the data. 3. What other statistic could

    Words: 1247 - Pages: 6
  • Stats Essay example

    do this test? Explain) f) Calculate R-sq, what is the practical meaning of R-sq? g) Calculate the Standard error of Estimate, What is the practical meaning of S(? (Get the residual printouts – 5 points) In Minitab, Goto Stat>regression>regression, then follow the screen prints below to get the residual plots. [pic] [pic] And click ok h) State the regression Assumption 1 and test it using the residual plots. i) State the regression

    Words: 1809 - Pages: 8
  • Stats Project Essay

    Tammy Tan z3461062 ECON1203 Lee Lee Ooi ASB 232 (Mon 10:00 – 11:00) JGW - AllRepairs Business Analytics Department: Quality Control z3461062 Executive Summary This report will examine the success of JGW’s AllRepairs in maintaining a high quality of service and isolate any inefficiency in the provision of services. One concern of AllRepairs is in quality control and measures efficiency by the time it takes the mechanic to undertake the assigned task. In order to maximise chance of repeat

    Words: 1455 - Pages: 6
  • Stat 200 Final Exam – Latest Essay

    Stat 200 Final Exam – Latest IF You Want To Purcahse A+ Work then Click The Link Below For Instant Down Load http://www.acehomework.net/?download=stat-200-final-exam-latest IF You Face Any Problem Then E Mail Us At JOHNMATE1122@GMAIL.COM STAT 200 FINAL EXAM – Complete Solution 1. True or False. Justify for full credit. (a) The volume of milk in a jug of milk is 128 oz. The value 128 is from a discrete data set. (25 pts) • (b) If the variance from a data set is zero, then all the observations

    Words: 1383 - Pages: 6
  • Descriptive Stats Analysis Essay

    Barbara Tucker who oversees Ballard Integrated Managed Services, Inc for the Douglas Medical Center location decided to conduct a survey in regards to the research question asking, why the turnover rate jumped from averaging 55-60% to 64%. A survey was given to each employee of BIMS that support the Douglas Medical Center and of the 5,300 employees only 78 participated in the survey leaving a very low response rate or 17.3%. This immediately tells the observers that the morale of the employees

    Words: 1629 - Pages: 7
  • Quiz 1 STAT 302 Essays

    Question 1 of 20 1.0/ 1.0 Points A scatterplot allows one to see: A.whether there is any relationship between two variables B.what type of relationship there is between two variables C.Both (a) and (b) are correct D.Neither (a) nor (b) is correct Answer Key: C Question 2 of 20 1.0/ 1.0 Points The length of the box in the boxplot portrays the A.mean B.median C.interquartile range D.range Answer Key: C Question 3 of 20 1.0/ 1.0

    Words: 1319 - Pages: 6
  • Essay on Healthcare Stats - Data Quality Plan

    Healthcare organization use data collection and reporting for a variety of areas and reason. One main reason is statistics for several department/areas. This information is used to increase quality of care, to determine if there is an increase in a specific health diagnosis, as well as hospital census, which will help to determine the level of staff needed to provide that quality of care. The government also needs to maintain statistics on the population in order to provide services. HIM professionals

    Words: 1634 - Pages: 7
  • Essay about United Stats V.S India and the Different Electoral Systems

    Despite a total number of forty democracies throughout the world, many countries, such as the United States, have more men employed in higher positions in the political sphere, especially in the legislature. Generally, in worldwide legislatures and democracies, there are not many women present in the legislature, if any at all. However, one democracy that is taking the initiative in empowering women and giving them equal and fair opportunities as men in the political sphere is India. This paper

    Words: 2915 - Pages: 12
  • Essay about Stat 200 Ol4Us2 Sections Final Exam Fall 2015

    STAT 200 OL4US2 Sections Final Exam Fall 2015 Click Link Below To Buy: http://hwcampus.com/shop/stat-200-ol4us2-sections-final-exam-fall-2015/ Or Visit www.hwcampus.com STAT 200: Introduction to Statistics Final Examination, Fall 2015 OL4/US2 Page 1 of 6 STAT 200 OL4/US2 Sections Final Exam Fall 2015 The final exam will be posted at 12:01 am on December 11, and it is due at 11:59 pm on December 13, 2015. Eastern Time is our reference time. This is an open-book exam. You may refer to

    Words: 1943 - Pages: 8