QUESTION BANK BASIC STATISTICS AND …

QUESTION BANKBASIC STATISTICS AND PROBABILITYC omplementary course of B Sc Mathematics Semester 1(CUCBCSS 2014 adm) totality of all objects under a study is called_____a)Sample b) GroupC)Population d) of the following is notan example for a primary data?a)Mailed questionnaireb)Localcorrespondents c)Indirect oral investigationd)Survey reports in newspapers, statisticalpopulation may consists ofa)Infinite number of items b)Finite number of items c)either (a) or (b)d)Neither (a) nor (b) study based on complete enumeration of data is known asa)Sample survey b)Pilot survey c)Census survey d)None of the observations in a group has a tendency to be very near to aparticular valuecalled_____a)Central tendency b)measures of central tendencyc)Measures of deviationd) calculated in which all the items are not equally important iscalled_____a)simple average b)weighted average c)combined arithmetic mean d)None among the following is a measure of positional average?

19.Which of these gives the empirical relationship between Mean, Median and Mode of a set of observations? a)Mode=2Mean-3Median b)Median-Mode=2/3(Mo de-Mean) C)Mode-

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  Name, Dome, Median, Mo de

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