Answer:
Step-by-step explanation:
From the question we are told that:
Sample size
Mean
Standard deviation
Generally 99\% confidence from table is mathematically given by
Generally the equation for 99\% confidence level (CI) is mathematically given by
The statement that is best supported by the data in the stem and leaf plot is D. The most common number of items sold is 15.
<h3>How to illustrate the information?</h3>It should be noted that the stem and plot diagram is important to illustrate the data given.
Based on the information given, the most common number of items sold is 15.
In conclusion, the correct option is D.
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The total number of items sold by each student who participated in a fund-raiser is shown in the stem and leaf plot.
Which statement is best supported by the data in the stem and leaf plot?
The number of students who sold between 10 and 20 items is greater than the number of students who sold more then 40 items.
The number of students who sold more than 30 items is greater than the number of students who sold fewer than 30 items.
The most common number of items sold is 30.
The most common number of items sold is 15.
