Lane 1 2 3 4 5 6
Wins 45 33 44 39 42 37
Some track and field athletes feel that they are more likely to win a race if they start on the inside lane. The data above shows the number of winners for each lane, from Lane 1, the innermost lane and closest to the infield, out to Lane 6, the outermost lane and furthest from the infield. The data lists how many wins were recorded in each lane over 240 races.

Find the value of X2 to show whether the chances of winning are equal in each lane.

2.594

2.6

3.666

6

Question

Lane	1	2	3	4	5	6
Wins	45	33	44	39	42	37
Some track and field athletes feel that they are more likely to win a race if they start on the inside lane. The data above shows the number of winners for each lane, from Lane 1, the innermost lane and closest to the infield, out to Lane 6, the outermost lane and furthest from the infield. The data lists how many wins were recorded in each lane over 240 races.

Find the value of X2 to show whether the chances of winning are equal in each lane.



2.594

2.6

3.666

6