In a study measuring households' familiarity with downloading pictures from the Internet, the following results were obtained
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In a study measuring households' familiarity with downloading pictures from the Internet, the following results were obtained $(1=$ not at all familiar, $7=$ very familiar $)$.
Level of Familiarity | Number of Households |
---|---|
1 | 22 |
2 | 26 |
3 | 34 |
4 | 40 |
5 | 32 |
6 | 28 |
7 | 18 |
a. Convert the number of households into percentages.
b. Calculate the cumulative percentages.
c. Construct a histogram with familiarity on the $x$-axis and frequency on the $y$-axis.
d. What are the mean, median, and mode of the distribution?
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