S3 help

5. The manager of a leisure centre collected data on the usage of the facilities in the centre by its members. A random sample from her records is summarised below.

Facility Male Female
Pool ......40 68
Jacuzzi .26 33
Gym .....52 31
Making your method clear, test whether or not there is any evidence of an association between gender and use of the club facilities. State your hypotheses clearly and use a 5% level of significance. (11)

I know i need to find the expected values, do i use the row total times column totals/ grand total? i did this but my expected values dont match mark scheme
Q5
http://www.londonnews247.com/wp-content/uploads/past-papers/a-level/math/s3/June%202002%20MS%20-%20S3%20Edexcel.pdf

Reply 1

Gerry-Atricks