Below are sorted data showing average spending per customer (in dollars) at 74 Noodles & Company restaurants.
(a) Construct a frequency distribution. Explain how you chose the number of bins and the bin limits.
(b) Make a histogram and describe its appearance.
(c) Repeat, using a larger number of bins and different bin limits.
(d) Did your visual impression of the data change when you increased the number of bins? Explain.

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6.54 6.58 6.58 6.62 6.66 6.70 6.71 6.73 6.75 6.75 6.766.76 6.76 6.77 6.77 6.79 6.81 6.81 6.82 6.84 6.85 6.89 6.906.91 6.91 6.92 6.93 6.93 6.94 6.95 6.95 6.95 6.96 6.96 6.98 6.99 7.00 7.00 7.00 7.02 7.03 7.03 7.03 7.04 7.05 7.05 7.07 7.07 7.08 7.11 7.11 7.13 7.13 7.16 7.17 7.18 7.21 7.25 7.28 7.28 7.30 7.33 7.33 7.35 7.37 7.38 7.45 7.56 7.57 7.58 7.64 7.65 7.87 7.97