Question

Many nutritional experts have expressed concern about the high levels of sodium in prepared foods. The following data on sodium content (in milligrams) per frozen meal appeared in the article “Comparison of ‘Light’ Frozen Meals” (Boston Globe, April 24, 1991):
Two histograms for these data are shown:
a. Do the two histograms give different impressions about the distribution of values?
b. Use each histogram to determine approximately the proportion of observations that are less than 800, and compare to the actual proportion.


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  • CreatedSeptember 19, 2015
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