The first three moments of a distribution about the mean are 1, 4 and 0. The distribution is:

Related MCQs

• The second and fourth moments about mean are 4 and 48 respectively, then the distribution is:
• A distribution consists of three components with total frequencies of 200, 250 and 300 having means 25, 10 and 15 respectively. Find the mean of the combined distribution.
• If the values of mean, median and mode coincide in a unimodal distribution, then the distribution will be:
• The mean weight of 150 students in a class is 60 Kg. The mean weight of Boy students is 70 Kg and that of a girl students is 55 kg. Find the number of Boys and Girls in the class.
• The arithmetic mean of the marks obtained by 50 students was calculated as 44. It was later discovered that a score of 36 was misread as 56. Find the correct value of arithmetic mean of the marks obtained by the students.
• The mean of 10 observations is 10. All the observations are increased by 10%. The mean of increased observations will be:
• In a moderately asymmetrical distribution, the mode and mean are 32.1 and 35.4 respectively. Calculate the median.
• In a moderately skewed distribution, the mode and median are 20 and 24 respectively. Calculate the value of mean.
• In a moderately skewed distribution, the value of mean is 16 and that of mode is 25.
• In a moderately skewed distribution, the following equation indicates the relationship among mean, median and mode: