1. The Macao Tourism Department collects data on visitors to Macao. Five out of

Question

1. The Macao Tourism Department collects data on visitors to Macao. Five out of 16 questions which were asked in the questionnaire handed out to adult passengers during incoming airline flights are shown below. The department collected 780 questionnaires successfully.

1) How many times did you visit Macao before? [e.g. 1, 2, 3, 4, etc.]

2) The primary reason for this trip: __________ [e.g. Vacation, Convention, Honeymoon, etc.]

3) Where you plan to stay in Macao: __________ [e.g. Integrated Resort, Hotel, Relative, Camping, etc.]

4) Total number of days you plan to stay in Macao: __________

5) Expected amount you will spend: __________

a. What is the population being studied?

b. For each of the above questions, determine (1) whether the variable is categorical or numerical; and (2) if the variable is numerical, determine whether the variable is discrete or continuous.

c. The survey results show that the average number of days staying in Macao is 2.3 days. Is the value 2.3 a parameter or a statistic? Why?

Explanation / Answer

(a) Population being studied : Macao

(b) Question 1: Number of times visited:(1) Numerical (2) Discrete (REASON: It takes values 0,1,2,.. only)

    Question 2: Primary reason: (1) Categorical (REASON: No numnerical answer)

    Question 3: Plan to stay: (1) Categorical (REASON: No numerical answer)

    Question 4: Number of days: (1) Numerical (2) Discrete (REASON: It takes values: 1,2,.. only)

    Question 5: Expected amount: (1) Numerical (2) Continuous (REASON: Money can be expressed in decimals)

(c) Statistic. REASON: Average numbe of days staying in Macao is 2.3 days is the characteristic of the sample only and not a opulation parameter.

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