Mathematics
Which of the following is not a measure of central tendency?
Mean
Mode
Range
Median
Related Questions
The data on the number of patients attending a hospital in a month are given below. Find the average (mean) number of patients attending the hospital in a month by using the shortcut method.
Take the assumed mean as 45. Give your answer correct to 2 decimal places.
Number of patients Number of days 10 – 20 5 20 – 30 2 30 – 40 7 40 – 50 9 50 – 60 2 60 – 70 5 Calculate the mean of the following frequency distribution.
Class-interval Frequency 5 – 15 2 15 – 25 6 25 – 35 4 35 – 45 8 45 – 55 4 The mean of the following data is : 34, 89, 37, 144, 78, 240, 128, 98
102
104
106
108
If the mean of 7, 5, 13, x and 9 be 10, then the value of x is :
10
12
14
16