0% 0 Statistics Quiz 5 1 / 50 Index Number is an important role in the field of Economic and ________________? Intelligence Education Business Science 2 / 50 If the third moment about mean is zero then distribution is_______________? Symmetrical Negatively Skewed Mesokurtic Positively Skewed 3 / 50 The hypergeometric probability distribution is used rather than the binomial or Poisson when the sampling is performed ? With replacement With replacement from a finite population With out replacement from a finite population With out replacement from an infinite population 4 / 50 Link relative = ________________? Pn/pn-1 x100 Pn/Po x10 Pn/Po x100 None of these 5 / 50 For Mesokurtic curve of the distribution, ?2 is__________________? 3 3 Zero 2 6 / 50 In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is_____________? 60 90 100 70 7 / 50 The middle value of an ordered array of numbers is the____________? Mid Point Median Mode Mean 8 / 50 The probability of drawing a picture card out of 52 cards is : ______________? 19054 13/52 16/52 19329 9 / 50 In the binomial experiment, the outcomes of each trial maybe classified into ______________? Success Failure None of these Success or Failure 10 / 50 Standard deviation is calculated from the Harmonic Mean (HM) ________________? Sometimes Never Always None of these 11 / 50 The frequent value of the data if it exists is called ________________? Deciles Mode Median Quartiles 12 / 50 Quartiles, deciles are located from an ogive in a way________________? Quarlities Mode Median G.M. 13 / 50 When we add the lower and upper class limits and dividing the sum by, the values so obtained are called class____________? Limits Interval Marks Histogram 14 / 50 making a entrance slip in service hospital is the method of collection of data by______________? Registration none of these Correspondents Entry 15 / 50 For a probability density function (pdf), the probability of a single point is_____________? Constant 0 2 1 16 / 50 Sampling error can reduced by __________________? Increasing the sample size Increasing the population Decreasing the sample size Non-random sampling 17 / 50 When the two regression lines coincide there r is __________________? Zero Less than zero More than zero Great 18 / 50 The standard deviation of sampling distribution of a statistics is _________________? Sampling distribution of statistics Standard error of statistics Sampling error of statistics None of these 19 / 50 An Index number which measure the change of a _____ is called Aggregative 1. No? Retail price Cost of living Goods consumed Industrial activity 20 / 50 1 ? ? is the probability of_____________? Acceptance Region Type-I error Rejection Region Type-II Error 21 / 50 Which of the following is not the property of binomial distribution ? n is fixed Has two outcomes Probability of success varies from trial to trial Trials are independent 22 / 50 If 10% is added to each value of variable, the geometric mean of new variable is added by_______________? 0.05 0.1 No Change 1.1 23 / 50 If the events have same chance of occurrence they are called:_______________? Exhaustive events Mutually Exhaustive events dependent events Equally likely events 24 / 50 Cumulative frequencies are_________________? Increasing None of these Decreasing Non- increasing 25 / 50 Primary data and _____________ data are same? Secondary data Ungrouped Grouped None of these 26 / 50 Measure the change in quantity of goods are called ________________? Aggregative 1. No. Simple 1. No. Quantity Index Number Appropriate 27 / 50 _____________is the measure of average which can have more than one value? Median Mode Harmonic Mean Mean 28 / 50 The hypothesis which is being tested is called ___________________? Simple hypothesis Composite hypothesis Alternative hypothesis Null hypothesis 29 / 50 The probability that the sum is odd if two dice are thrown:_________________? 18/36 13485 13394 13302 30 / 50 Life of a T.V picture tube is a:___________? Discrete variable Constant Qualitative variable Continuous variable 31 / 50 In descriptive statistics, we study______________? The methods for organizing, displaying, and describing data The description of decision making process None of the above How to describe the probability distribution 32 / 50 If X ? N(16,49), the mean is___________? 16 7 49 4 33 / 50 To purchase the fruit, we use the _________ sampling? Systematic Cluster Judgment Stratified 34 / 50 Class mark is the value which divides a class into ________ equal parts? One Four Three Two 35 / 50 Data classified by many _______ said to be Quantitative? Attributes Characteristic Categories Affinities 36 / 50 Arithmetic mean is _________ by change of origin and scale of measurement? Negative Not affected Affected Vary 37 / 50 Technical & Trade Journals are the source of ___________ data? Primary Secondary Group data Ungroup data 38 / 50 Third quartile = Q3 = ____________? P33 D3 None of these Median 39 / 50 The Laspeyres price index_____________? Regards the base year price as fixed Regards the base year quantities as fixed non of these Regards the current year quantities as fixed 40 / 50 If any of the value in data set is negative then it is impossible to compute:_____________? Arithmetic Mean Harmonic Mean Geometric Mean Mode 41 / 50 Statistics has handicap dealing with_____________? Qualitative data Variable Quantitative data Constant 42 / 50 Lowest value of variance can be____________? 1 -1 3 0 43 / 50 The measure of dispersion is changed by a change of_____________? Scale Algebraic Signs Origin None 44 / 50 The first hand and unorganized form of data is called_______________? Primary data Organized data Secondary data None of these 45 / 50 Binomial probability distribution is denoted by b(x ; n, p), is defined as _______________? {nx}px qn-x {nx}p(1 ? P)x nCxpnqnx {nx}px(1 ? P)x-n 46 / 50 Which of the following can never be taken as coefficient of correlation is _____________? -99 0.99 ?3 0 47 / 50 A model is linear if it is linear in the dependent variable and also in ______________? Non of these Independent variable Error term Parameter 48 / 50 If ?2=m4m22<3, the distribution is called______________? Normal Leptokurtic Mesokurtic Platykurtic 49 / 50 A listing of the possible outcomes of an experiment and their corresponding probability is called:______________? Probability distribution Random Variable Bayesian table Contingency table 50 / 50 Let Z1,Z2,?.Zn be independent and identically distributedrandom variable, satisfying E[? Zt ?] Sequential Probability Likelihood Equation Wald?s Equation Independence Equation Neyman Pearson Lemma Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevStatistics Quiz 4 Statistics Quiz 6Next
