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Total Questions : 71 | Page 5 of 8 pages
Question 41. If the arithmetic mean is 20 and the harmonic mean is 30 then geometric mean is
  1.    14.94
  2.    24.94
  3.    34.94
  4.    44.94
 Discuss Question
Answer: Option B. -> 24.94
Answer: (b).24.94
Question 42. In the quartiles, the central tendency median to be measured must lie in
  1.    first quartile
  2.    second quartile
  3.    third quartile
  4.    four quartile
 Discuss Question
Answer: Option B. -> second quartile
Answer: (b).second quartile
Question 43. The method used to compute average or central value of the collected data is considered as
  1.    measures of positive variation
  2.    measures of central tendency
  3.    measures of negative skewness
  4.    measures of negative variation
 Discuss Question
Answer: Option B. -> measures of central tendency
Answer: (b).measures of central tendency
Question 44. The arithmetic mean is 12 and the number of observations are 20 then the sum of all the values is
  1.    8
  2.    32
  3.    240
  4.    1.667
 Discuss Question
Answer: Option C. -> 240
Answer: (c).240
Question 45. The mean or average used to measure central tendency is called
  1.    sample mean
  2.    arithmetic mean
  3.    negative mean
  4.    population mean
 Discuss Question
Answer: Option B. -> arithmetic mean
Answer: (b).arithmetic mean
Question 46. If the mean of percentages, rates and ratios is to be calculated then the central tendency measure which must be used in this situation is
  1.    weighted arithmetic mean
  2.    paired arithmetic mean
  3.    non-paired arithmetic mean
  4.    square of arithmetic mean
 Discuss Question
Answer: Option A. -> weighted arithmetic mean
Answer: (a).weighted arithmetic mean
Question 47. If the value of three measures of central tendencies median, mean and mode then the distribution is considered as
  1.    negatively skewed modal
  2.    triangular model
  3.    unimodel
  4.    bimodel
 Discuss Question
Answer: Option C. -> unimodel
Answer: (c).unimodel
Question 48. The marks of 20 students out of 15 in class test are as 10, 11, 12, 12.5, 13.5, 14, 10, 11, 12, 12.5, 13.5, 14, 8, 9, 9, 8, 10, 11, 11.5, 12.5 then average marks of class is
  1.    12.25
  2.    11.25
  3.    13.25
  4.    14.25
 Discuss Question
Answer: Option B. -> 11.25
Answer: (b).11.25
Question 49. The Σxwis divided by Σwis used to calculate
  1.    weighted arithmetic mean
  2.    paired arithmetic mean
  3.    non-paired arithmetic mean
  4.    square of arithmetic mean
 Discuss Question
Answer: Option A. -> weighted arithmetic mean
Answer: (a).weighted arithmetic mean
Question 50. If the central tendency is found by using sample data from population then this is classified as
  1.    tendency statistic
  2.    average statistic
  3.    sample statistic
  4.    population statistic
 Discuss Question
Answer: Option C. -> sample statistic
Answer: (c).sample statistic

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