Statistics MCQs

?Find Correlation coefficient for X and Y values given below : X= (1,2,3,4,5) Y= {11,22,34,43,56}
?An urn contains 10 black balls and 5 white balls. 2 balls are drawn from the urn one after other without replacement. What is the probability that b...
?Calculate the relative variability (coefficient of variance) for the samples 60.25, 62.38, 65.32, 61.41, and 63.23 of a population
?Calculate the relative variability (coefficient of variance) for the samples 60.25, 62.38, 65.32, 61.41, and 63.23 of a population
?The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation?
?The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is:
?Which of the following describe the middle part of a group of numbers?
?According to the empirical rule, approximately what percent of the data should lie within µ ± σ?
?The sum of the deviations about the mean is always:
?The middle value of an ordered array of numbers is the
?Which of the following is not a measure of central tendency?
?Which of the following divides a group of data into four subgroups?
?If the standard deviation of a population is 9, the population variance is:
?If a distribution is abnormally tall and peaked, then is can be said that the distribution is:
?Sum of dots when two dice are rolled is
?The weights of students in a college/school is a
?The number of accidents in a city during 2010 is
?Which of these represent qualitative data
?Life of a T.V picture tube is a
?The rst hand and unorganized form of data is called
?The data which have already been collected by some one are called
?The grouped data is also called
?Primary data and - data are same
?Questionnaire survey method is used to collect
?Data collected by NADRA to issue computerized identity cards (CICs) are
?Population census is conducted through
?A parameter is a measure which is computed from
?Given X1 = 12; X2 = 19; X3 = 10; X4 = 7, then P Xi4 =1 equals?
?A chance variation in an observational process is
?A constant variable can take values

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Statistics MCQs