07/20/25

How do I calculate the median of a data set?
I have this list: 7, 12, 14, 18, 20, 22, 25. How do I know which number is the median?
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Expert Answers •5

10/21/23

What is the mass in grams of the excess Fe₂O₃ remaining after the partial reaction of 201 g Fe₂O₃ with 64.7 g Al? Give your answer to three significant figures.
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10/18/23

STI survey funded by the U of Washington School of Medicine
In a survey funded by the University of Washington School of Medicine, 600 of 1,500 adult Seattle residents said they did not believe they could come down with a sexually transmitted infection... more
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10/18/23

Find standard deviation in years
The average age of passenger cars is 19.4 years. If the distribution of ages is normal and 9% of the cars are older than 22.1 years find the standard deviation. Round z-value to 2 decimal places.
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Expert Answers •1

10/18/23

According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance.
Sample results, consistent with the CNBC report, showed 26 of 181 vehicles were not covered by insurance.a. What is the point estimate of the proportion of vehicles not covered by insurance (to 4... more
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