Indicate how many people responded to the same survey: 1 in question 1, 2 in question 2 and 3 in question 3.
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Display which is (on average), the number of brothers and sisters of an individual according to the profession of the father of that individual. We will assume that the father's profession is question number three in the survey.
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Calculate the frequency distribution for question 2 divided by gender.
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Make a bivariate frequency table between questions number 2 and 4.
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Display the population's distribution by sex and age.
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Display the distribution, by gender and number of questions, for those who did not answer a question: the wording of the answer is equal to ‘Non-response'.
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