( ) 1. Which is the definition of inter-quartile range(IQR)? В. Qз-Q1 C. Q3-Q2 A. Q2-Q1 ( ) 2.Which are the two purposes served by the statistics? D. Maximum –minimum A. Descriptive statistics and...

Extracted text: ( ) 1. Which is the definition of inter-quartile range(IQR)? В. Qз-Q1 C. Q3-Q2 A. Q2-Q1 ( ) 2.Which are the two purposes served by the statistics? D. Maximum –minimum A. Descriptive statistics and inferential statistics. B. Descriptive statistics and estimation. C. Testing hypothesis and graphs. D. Statistical summary and chart. () 3. The average indicators include А. B. Arithmetic mean, mode, standard deviation. C. Arithmetic mean, median, geometric mean. D. Mean, median, CV. () 4. Which is the definition of the rare event? A. Probability<0.05 b.="" probability="">0.05 C. Probability<0.05 d.="" probability=""><0.2 ) 5. which of the statistical graph is used to describe the gender in our class? a. histogram ) 6.which of the following is the main characteristic of statistic? b. bar chart c. pie chart d. box plot c. represented by latin letters ) 7.consider the following four observations of the serum antibody: 1:2, 1:4, 1:8, 1:16,1:32. which of the index is the best central tendency? a. unknown b. inherent d. unchangeable a. arithmetic mean b. geometric mean с. мode d. median () 8. which of the distribution is the most flat among the following four normal curves. c. n(15,3.52) ) 9.the researcher wants to calculate the ri of height for 12-year-old boys. whose option is a. n(0,1) в. n(12,32) d. n(18,3.32) right? a. he includes the 12-year-old deaf boys. b. he includes 12-year-old girls. c. he includes the 12-year-old boys with dwarfism. d. he includes all the boys in one primary school. () 10.which is the most commonly used confidence level when you make parameter estimation? а. 0.01 b.0.015 c.0.90 d.0.95 () 11. which of the following formula is z-transformation? x - x а. х — и в. х — и d. х — и с. s )="" 5.="" which="" of="" the="" statistical="" graph="" is="" used="" to="" describe="" the="" gender="" in="" our="" class?="" a.="" histogram="" )="" 6.which="" of="" the="" following="" is="" the="" main="" characteristic="" of="" statistic?="" b.="" bar="" chart="" c.="" pie="" chart="" d.="" box="" plot="" c.="" represented="" by="" latin="" letters="" )="" 7.consider="" the="" following="" four="" observations="" of="" the="" serum="" antibody:="" 1:2,="" 1:4,="" 1:8,="" 1:16,1:32.="" which="" of="" the="" index="" is="" the="" best="" central="" tendency?="" a.="" unknown="" b.="" inherent="" d.="" unchangeable="" a.="" arithmetic="" mean="" b.="" geometric="" mean="" с.="" мode="" d.="" median="" ()="" 8.="" which="" of="" the="" distribution="" is="" the="" most="" flat="" among="" the="" following="" four="" normal="" curves.="" c.="" n(15,3.52)="" )="" 9.the="" researcher="" wants="" to="" calculate="" the="" ri="" of="" height="" for="" 12-year-old="" boys.="" whose="" option="" is="" a.="" n(0,1)="" в.="" n(12,32)="" d.="" n(18,3.32)="" right?="" a.="" he="" includes="" the="" 12-year-old="" deaf="" boys.="" b.="" he="" includes="" 12-year-old="" girls.="" c.="" he="" includes="" the="" 12-year-old="" boys="" with="" dwarfism.="" d.="" he="" includes="" all="" the="" boys="" in="" one="" primary="" school.="" ()="" 10.which="" is="" the="" most="" commonly="" used="" confidence="" level="" when="" you="" make="" parameter="" estimation?="" а.="" 0.01="" b.0.015="" c.0.90="" d.0.95="" ()="" 11.="" which="" of="" the="" following="" formula="" is="" z-transformation?="" x="" -="" x="" а.="" х="" —="" и="" в.="" х="" —="" и="" d.="" х="" —="" и="" с.="">