Exercise you
1. Listed below
are the ages of students who
attended a school disco.
15
14.
13:1
14.
121/
12
14.
13
14
13-1
14
13.
12
13
14.1
12
13.
12
12
12
14
14.
14 1
14 1
13
15
12
15
12
14
(i) Sort the data into a frequency table.
Include a tally row in your table.
(m) How many students attended the disco?

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?