Volunteers at a teenage distress center have been assigned based on their skills and expertise. It's assumed that 40% are drug related, 25% sex related, 25% stress, and 10% education. For the study sample of 120 calls per month were categoruzed as follows
Observed frequencies: Drug (52) Sex (38) Stress (21) Education (9) Total 120.
Apply chi-squared goodness of fit to test the hypothesis of assumed distribution of calls. Interpet results for the purposes of staff allocation at the distress center.