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A researcher gathered data on hours of video games played each day by school-aged children.
She collected the following data.
0 2 2 5 1 12 11 6
4 12 6 2 6 8 15 0
a) Find the five-number summary. Round your answers to 2 decimal places as needed.
b) The middle 50% of school-aged children played video games between ? and ? hours per day.
c) The bottom 25% of school-aged children played video games less than ? hours per day.
d) The top 25% of school-aged children played video games more than ? hours per day
Hurricanes, redux. We first looked at the occurrences of hurricanes in and found that they arrive with a mean of 2.45 per year.
millions of americans are subjected to drug testing in the workplace. the tests are not always reliable. a false
A 52 year old woman presented to the clinic for ongoing fatigue and weight loss during the last 6 weeks.
1.a study was conducted to explore the relation between alcohol consumption and hypertension. 7400 nurses were surveyed
The figure below shows the graphs of the probability density functions for the random variable X, the random variable x‾ for n = 5, and the random variable x‾ for n = 15.- Identify each probability density function.
Is the normality assumption that was made at the beginning valid and what is the probability that the stock on that day closed at less than the mean for that year
Cholesterol The level of cholesterol in the blood for all men aged 20 to 34 follows a Normal distribution with mean 188 milligrams per deciliter (mg/dl).
This chapter described characteristics of several successful salespeople currently selling goods and services for national companies
At that time, the Federal reserve extended $70 billion in discount window loans to the banking system. The monetary base was billion.
What is the conflict that exists between the celebration of Columbus Day while some opponents think it should be replaced by Indigenous People's Day?
Explain the history behind the Black Soldier of the Civil War In this forum look beyond the book for information on specific units, soldiers and even the reasons for why Lincoln allowed the African American to service in the war.
choo choo paper company produces papers of various thickness. a random sample of 256 cuts had a mean thickness of 30.3
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