Q.1.
From the following set of data, which average is highest: the mean, the median or the mode? 75, 48, 82, 65, 70, 68, 75.
Q.2.
Steven asked some of his classmates how many brothers or sisters they had. Here’s his results: 2, 3, 0, 0, 1, 0, 2, 0, 1, 3, 5, 0, 1, 2,How many of Steven’s classmates took part in the survey?
Q.3.
Sarah counted the number of vehicles which passed her school over the course of one hour. She did this every day for a week and got these results: 180, 164, 212, 197, 207, 222,What is the mean of the given data?
Q.4.
Jane wanted to know how old the men in her family were when they began shaving. She asked 9 of them and got these results: 15, 16, 17, 18, 16, 15, 17, 19,What is the median of the given data?
Q.5.
From the following set of data, which average is lowest: the mean, the median or the mode? 18, 21, 22, 19, 20, 21, 21.
Q.6.
A poll was taken, asking 8 people how many pets they had. Here are the results: 0, 7, 3, 1, 0, 2, 0, What is the range of the given data?
Q.7.
Michael asked 10 of his friends how many times they had been to watch a live football match. Here are his results: 40, 27, 18, 36, 0, 7, 16, 0, 2,What is the mode of the given data?
Q.8.
Charlotte wanted to find out the average height of her friends. She collected these results: 143 cm, 139 cm, 145 cm, 149 cm, 144 cm. The mean of these results was 144 cm. She then measured one more friend, Clare, and the mean rose to 145 cm. How tall was Clare?