The mean of 1, 3, 4, 5, 7, 4 is m. The numbers 3, 2, 2, 4, 3, 3, p have mean m – 1 and median q. Then, p + q =
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Which of the following is not a measure of central tendency?
The median of a given frequency distribution is found graphically with the help of ____.
The mean of 9 observations is 36. If the mean of the first 5 observations is 32 and that of the last 5 observations is 39, then the fifth observation is _____.
The average monthly income (in ₹) of certain agricultural workers is S and that of other workers is T. The number of agricultural workers are 11 times that of other workers. Then the average monthly income (in `)of all the workers is ____.
The mean weight of a class of 34 students is 46.5 kg. If the weight of the teacher is included, the mean rises by 500g. Then the weight of the teacher is _____.
The average temperature of the town in the first four days of a month was 58 degree. The average for the second, third, fourth and fifth days was 60 degree. If the temperatures of the first and fifth days were in the ratio 7 : 8, then what is the temperature on the fifth day?
The median of the following data is 525. Find the missing frequencies, if it is given that there are 100 observations in the data.
In an examination of 675 candidates of maximum marks 100 the examiner supplied the following information.
Calculate median and mode respectively of the percentage marks obtained.