Number of Close Friends..............0....1.....2.....3....4...5..6.. Total \" o
ID: 3020901 • Letter: N
Question
Number of Close Friends..............0....1.....2.....3....4...5..6.. Total " of Respondents (male).............196 135 108 100 42 40 33 654 " of Respondents (female).......... 201 146 155 132 86 56 37 813
1. Is number of close friends a quantitative or categorical variable?
2. Are these distributions roughly symmetric, skewed to the left, or skewed to the right? Explain briefly. (You do not need to construct any graphs.)
3. Calculate the median number of close friends for each gender.
4. Based on the shape of the distributions, do you expect the means to be greater than the medians, less than the medians, or very close to the medians? (Do not calculate either mean.)
5. For each gender, calculate the proportion who say that they have no close friends. Comment on how these proportions compare between men and women.
Explanation / Answer
1. quantitative variable 2 these distributions roughly skewed to the left, 3 median =108 4 the means to be less than the medians,
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