Let the score on her seventh test be "x".
SO,
∴ He must get 104% on his seventh test to get an average score of 90%
SO,
∴ He must get 104% on his seventh test to get an average score of 90%
A graphical device for depicting categorical data that have been summarized in a frequency distribution, relative frequency dist
1 answer:
The graphical device that divides data according to the percentage they represent is a pie-chart.
Frequency distribution, relative frequency distribution, or percent frequency distribution all are statistical measures <u>that want to establish the part of the distribution corresponding to each measure</u>, that is, percentages, thus they are represented by pie-charts.
An example, suppose that among 50 people sampled, 20 prefer the NBA and 30 the NFL.
- Thus, 60% of the sample prefers the NFL, and 40% the NBA.
- This information is well represented by the pie-chart sketched at the end of this answer.
A similar problem is given at brainly.com/question/14354536
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