6.1. The Mean http://www.ck12.org
What was the mean mark scored by the class?
- A traveling salesman buys gasoline for his car every day. The table below shows the number of gallons of
gasoline he bought each day over a span of 42 days.
TABLE6.7:
Number of Gallons Number of Days
2 6
3 9
4 5
5 14
6 8Find the mean number of gallons of gasoline he bought each day.
- When four dice were thrown together a total of 200 times, the number of threes scored per throw is shown in
the table. Calculate the mean number of threes scored each throw.
TABLE6.8:
Number of 3’s Number of Throws
4 1
3 2
2 13
1 34
0 150- The table below shows the number of touchdowns scored by a football team during each of 50 games.
Determine the number of touchdowns the team scored each game.
TABLE6.9:
Number of Touchdowns Number of Games
6 1
5 2
4 4
3 8
2 10
1 12
0 13- My Grade 11 Math class has thirty-two students. The following table shows the frequency of attendance over
a period of 30 days. Find the mean daily attendance.
TABLE6.10:
Number of Students Present Number of Days
25 1