Mr. Tsegaw's Math Page
Worksheet on Sections-1.1-2.123rd, May 2019Name ______+_________Part-I: Multiple Choice______1._______2.________3. (Ambiguous question)________4.________5.Part-II: Multiple Choice with multiple answers6. Ans: Statistics: ______________________Parameters:____________________7.Ans: ________________8.Ans:Discrete: ________________Continuous: ________________9. Which of the following are qualitative (categorical), quantitative discrete or quantitative continuous?Number of heads when 3 coins are tossedThe brand of toothpaste used by the students in this classThe time spent doing homeworkThe number of matches in a box e. The sports played by students in this school f. The pulse rate of athletes after running g. The airline on which a person chooses to book a flight. h. The humidity in Shenzhen. i. The number of people who watched Game of Thrones.Ans:Qualitative (Categorical): ______________Quantitative Discrete: _______________Quantitative Continuous: ______________Part-III: FRQ 10. A friend who is not taking statistics wonders why it is that anyone would choose to take a sample. "Obviously," she says, "you would get better information from a census." In a short paragraph, explain why statisticians take samples rather than a census.11. Just exactly what is Statistics and what are its two main divisions?12. One of the "media messages" sent by television is that appearance is very important. These messages are thought to spur young women to have unrealistic expectations about beauty, thus encouraging women to spend more money on cosmetics and toiletries. During a recent prime-time television season investigators kept track of "appearance" comments. Comments by TV males, classified by gender of recipient and type of appearance comment, are reproduced in the table below. Insults, Compliments, and Neutral Appearance Comments (Males commenting) Nature of commentMalesabout malesMalesabout femalesCompliments52106Neutral comments6035Insults4115Totals153156(a) Using the information in the table, graphically present the given information using a comparative bar chart. In the same study of appearance comments, comments by females were tabulated. These data appear below: Insults, Compliments, and Neutral Appearance Comments (Females commenting)Nature of commentFemalesabout malesFemalesabout femalesCompliments4979Neutral comments2657Insults2132Totals96168(b) Using the information in the table, construct a segmented bar chart to summarize females comments about males and a segmented bar chart to summarize females comments about females. Write a few sentences describing the distribution of comments by females about males and females. ................
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