A distribution with more than two modes is called

10 is the mean of a set of 7 observations and 5 is the mean of a set of 3 observations. The mean of a combined set is given by

The mean and median of 100 items are 50 and 52 respectively. The value of the largest item is 100. It was later found that it is actually 110. Therefore, the true mean is ___ and the true median is _____

The strength of seven colleges in a city are 385,1748,1343,1935,786,2874 and 2108. Then the median strength is

The geometric mean of 2, 4, 16 and 32 is

75% of a number is added to 75, then the result is the number itself. What is the number?