Mathematics, 12.12.2019 18:31 pareshrr
This graph depicts average incomes of part time workers compared with fulltime workers at a particular company. for a recent year, those incomes wee 27,197 for part time wokers and 54,059 for full time workers. does the graph accurately represent the data? why or why not?
a. no, pictographs cannot accurately represent data between two populations.
b. no, the proportion of the areas is not the same as the proportion of the incomes.
c. yes, the lengths of the two dollar bills are proportional to the incomes.
d. yes, the rectangle representing the income of full-time workers is larger than the rectangle representing the income of part-time workers.
Answers: 1
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Mathematics, 21.06.2019 21:00
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Mathematics, 22.06.2019 00:30
Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.
Answers: 1
This graph depicts average incomes of part time workers compared with fulltime workers at a particul...
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