11/16/2024 10:16 AM
SCMA 3040 Unit 2 Exam Questions With
Correct Answers
20.3 days - answer✔The proportion of patients who recovered from an infection disease was
recorded as follows: 10% 7 days, 30% 14 days, 20% 21 days, 40% 28 days. What was the
average days for recovery?
Mean=48, Median=52, Mode=40 - answer✔The price of a selected stock over a 5 day period;
53, 40, 55, 52, and 40
90% - answer✔The ogive chart below shows the distribution of weekly income for part-time
and full-time workers in an employment agency. Horizontal axis shows weekly income ($)
vertical axis shows cumulative % of workers who were paid below specific amount. What % of
full-time employees received less than $600?
$300 - answer✔The ogive chart below shows the distribution of weekly income for part-time
and full-time workers in an employment agency. Horizontal axis shows weekly income ($)
vertical axis shows cumulative % of workers who were paid below specific amount. Half of the
part-time employees received less than how much in weekly income?
Median - answer✔___________________ is used when you want to report the middle value in
the distribution
74.8 - answer✔The following grouped frequency distribution shows the test scores of a sample
of students. Frequency; 25, 18, 10, 7. The mean score is _____
48 students - answer✔There were 240 students in a statistic class. The following pie chart
shows the distribution of students' performance on a course project. How many more students
were rated "good" than "poor"?
Wednesday - answer✔The following stacked bar graph shows the proportion of part-time
workers, full-time workers and co-op students who are available to work in a given week.
Which day of the week has most part-time workers available to work?
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