[{"id":174522,"question":"The class having maximum frequency is called................. class.","choices":[{"text":"Model","value":"A"},{"text":"Median","value":"B"},{"text":"Lower","value":"C"},{"text":"Upper","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174521,"question":"The arrangement of data is necessary to find the value of.","choices":[{"text":"Mean","value":"A"},{"text":"Median","value":"B"},{"text":"Mode","value":"C"},{"text":"Range","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174520,"question":"The size of class interval (6-10) is.","choices":[{"text":"4","value":"A"},{"text":"5","value":"B"},{"text":"8","value":"C"},{"text":"10","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174519,"question":"The positive square coot of mean of the squared deviations of x<sub>1</sub> (i = 1,2..........n) observation from their arithmetic mean is called.","choices":[{"text":"Harmonic mean","value":"A"},{"text":"Range","value":"B"},{"text":"S.D","value":"C"},{"text":"Variance","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":174518,"question":"The mean of the squared deviations of x1,(i = 1,2.........,n) observations from their arithmetic mean is called.....................","choices":[{"text":"Variance","value":"A"},{"text":"Standard deviation","value":"B"},{"text":"Range","value":"C"},{"text":"Mode","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174517,"question":"The extent of variation between two extreme observations of a data set is measured by.......................","choices":[{"text":"Average","value":"A"},{"text":"Range","value":"B"},{"text":"Quartiles","value":"C"},{"text":"Mode","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174516,"question":"The measures that are used to determine the degree or extent of variation in a data set are called measures of...........................","choices":[{"text":"Dispersion","value":"A"},{"text":"Central tendency","value":"B"},{"text":"Average","value":"C"},{"text":"Quartile","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174515,"question":"The spread or scatierness of observations in a data set is called.","choices":[{"text":"Average","value":"A"},{"text":"Dispersion","value":"B"},{"text":"Central tendency","value":"C"},{"text":"Quartile","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174514,"question":"The observation that divide a data set into four equal part, are called.","choices":[{"text":"Decites","value":"A"},{"text":"Quartiles","value":"B"},{"text":"Percentiles","value":"C"},{"text":"Mode","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174513,"question":"The measure which determines the middlemost observation in a data set is called...................","choices":[{"text":"Median","value":"A"},{"text":"Mode","value":"B"},{"text":"Mean","value":"C"},{"text":"Variance","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174512,"question":"The most frequently occurring observation in a data set is called.","choices":[{"text":"Mode","value":"A"},{"text":"Median","value":"B"},{"text":"Harmonic mean","value":"C"},{"text":"Mean","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174511,"question":"The value obtained by reciprocating the mean of the reciprocal of x<sub>1</sub>,x<sub>2</sub>,x<sub>3</sub>..............x<sub>11</sub> observation is called....................","choices":[{"text":"Geometric mean","value":"A"},{"text":"Median","value":"B"},{"text":"Harmonic mean","value":"C"},{"text":"S.D","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":174510,"question":"The nth positive root of the product of the x<sub>1</sub>,x<sub>2</sub>,x<sub>3</sub>,..............x<sub>11</sub> observation is called.","choices":[{"text":"Mode","value":"A"},{"text":"Mean","value":"B"},{"text":"Geometric mean","value":"C"},{"text":"Median","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":174509,"question":"Sum of the deviations of the variable x from its mean is alwyas....","choices":[{"text":"Zero","value":"A"},{"text":"One","value":"B"},{"text":"Same","value":"C"},{"text":"Negative","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174507,"question":"Mean is affected by change in ..........","choices":[{"text":"Place","value":"A"},{"text":"Scale","value":"B"},{"text":"Rate","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2}]