[{"id":234848,"question":"Why is it necessary to square the difference from the mean when computing the standard deviation.","choices":[{"text":"So that the extreme values will not affect the calculation","value":"A"},{"text":"Some of the differnece will be positive and some will e negative","value":"B"},{"text":"It can change drastically from one data set to the next","value":"C"},{"text":"It is determined by only two points in the data set","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":234847,"question":"The main advantages of using the range as a measure of dispersion is that.","choices":[{"text":"It is easy to calculate","value":"A"},{"text":"It is heavily influenced by extreme values.","value":"B"},{"text":"It can change drastically from one data set to the next","value":"C"},{"text":"It is determined by only two points in the data set","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":234846,"question":"Which of the following is a relatie measure of dispersion.","choices":[{"text":"Standard deviation","value":"A"},{"text":"Variance","value":"B"},{"text":"Coefficient of variation","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":234845,"question":"Which of the following average is effected by extreme values.","choices":[{"text":"Median","value":"A"},{"text":"Mode","value":"B"},{"text":"Arithmetic mean","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":234844,"question":"In case of positively skewed distribution the extreme values lie in the.","choices":[{"text":"Middle","value":"A"},{"text":"Left tail","value":"B"},{"text":"Right tail","value":"C"},{"text":"Any where","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":234843,"question":"Which of the following average cannot be calculated from the observation 2,2,4,4,6,6,8,8,10,10","choices":[{"text":"Mean","value":"A"},{"text":"Median","value":"B"},{"text":"Mode","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":234842,"question":"The median of - 3, 0, -5 , is.","choices":[{"text":"-3","value":"A"},{"text":"0","value":"B"},{"text":"-5","value":"C"},{"text":"Does not exist","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":234841,"question":"If X = 0,2,2,4,8,10, then G.M is.","choices":[{"text":"4","value":"A"},{"text":"8","value":"B"},{"text":"10","value":"C"},{"text":"zero","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":234840,"question":"Mean is affected by the change of.","choices":[{"text":"Origin","value":"A"},{"text":"Scale","value":"B"},{"text":"Both a and b","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":234839,"question":"teh most frequent value of the data if it exists is.","choices":[{"text":"A.M","value":"A"},{"text":"G.M","value":"B"},{"text":"Mode","value":"C"},{"text":"Median","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":234838,"question":"If a distribution has two modes, than it is called.","choices":[{"text":"Uni- model","value":"A"},{"text":"Bi - mdoel","value":"B"},{"text":"Tri-model","value":"C"},{"text":"Multi model","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":234837,"question":"Median divides the data into","choices":[{"text":"2 parts","value":"A"},{"text":"3 parts","value":"B"},{"text":"4 parts","value":"C"},{"text":"10 parts","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":234836,"question":"The mean is based on.","choices":[{"text":"Small values","value":"A"},{"text":"Extreme values","value":"B"},{"text":"All the values","value":"C"},{"text":"Large values","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":234835,"question":"Which average cannot be computed if any value is less than zero.","choices":[{"text":"G.M","value":"A"},{"text":"Median","value":"B"},{"text":"Mode","value":"C"},{"text":"A.M","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":234834,"question":"If mean = 40 , Mdoe - 42 , then distributiion is.","choices":[{"text":"4 skew","value":"A"},{"text":"2 skew","value":"B"},{"text":"Symmetrical","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":234833,"question":"Which pair of measures cannot be calculated when one of numbers in the seriesis zero.","choices":[{"text":"G.M and A.M","value":"A"},{"text":"G.M and H.M","value":"B"},{"text":"H.M and A.M","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":234832,"question":"The suitable average for shoe or collar size is.","choices":[{"text":"Geometric mean","value":"A"},{"text":"Arithmetic mean","value":"B"},{"text":"Mode","value":"C"},{"text":"Median","value":"D"},{"value":"E"}],"correctAnswer":3}]