Q1 of 96 Page 166

Find the mean of the distribution

We first, find the class mark xi of each class and then proceed as follows.


Therefore, mean


Hence, mean of the given distribution is 5.5.


More from this chapter

All 96 →
13

If I toss a coin 3 times and get head each time, should I expect a tail to have a higher change in the 4th toss? Given reason in support of your answer.

 14

A bag contains slips numbered from1 to 100. If Fatima chooses a slip at random from the bag, it will either be an odd number or an even number. Since, this situation has only two possible outcomes, so the probability of each is 1/2.Justify.

 2

Calculate the mean of the scores of 20 students in a mathematics test

 3

Calculate the mean of the following data