Pie charts and bar charts are used to display frequency data from A. Qualitative variables B. Quantitative variables D. None C. Categorical variables 2. Histograms are appropriate for displaying the frequency data of A. Qualitative variables B. Quantitative variables D. None C. Categorical variables 3. A data set can have A. One mode C. More than one mode 4. The 75th percentiles of a set of n measurements arranged in order of magnitude, often called B. 0 modes D. None A. Quantile B. Median C. The lower quartile D. The upper quartile 5. The R function for a Poisson distribution i.e., P(y = k) = A. pbinorm(k, µ) C. qnorm(k, u) B. dbinom(k, u) D. dpois (k, p) === is

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