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Describe three key lessons learned relative to ANOVA and Nonparametric tests.
What parametric test could be used to test for the effect of linoleic acid on SBP? What nonparametric test could be used to test for the effect of linoleic acid on SBP?
a random sample of four thousand people are selected. their IQ scores are measured and averaged to give the samplea mean. find the probability that this sample mean is larger than 101.
Based on a long-term investigation, researchers have suggested that the acidity (pH)of rainfall in the shenandoah Mountains can be described by the Normal model N(4.9,0.6). What percent of storms pr
The number of chocolate chips in an 18-oz bag of generic cookies is approximately normally distributed with a mean of 1124 and a standard deviation of 113 chips.
The probability of being dealt a royal flush (ace, king, queen, jack and ten in the same suit) in poker is about 1.3 × 10-8. Suppose that an avid poker player sees 100 hands a week, 52 weeks a
Four men, A, B, C, and D, each tell the truth independently with probability 1/3. D makes a statement which C reports to B, and then B reports to C's statement to A. If A asserts that B denies that
Jose scores 842 on the SAT. Assuming that both tests measure the same thing, what score on the ACT is equivalent to Jose's SAT score?
A research conducts an independent-measures research study and obtains t=2.070 with df=28. How many individuals particpated in the entire study?
Two-hundred seeds of such a cross are raised, and 142 (or 71%) turn out to be blue-flowering. Are the data consistent with the model? Explain briefly.
A student takes a 10 question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 70% of the question
Given that the student selected is a social science major, what is the probability that she is also a sophomore? Write your responses as fractions.
(a) At α = .05 in a left-sided test, find the β risk and power assuming that the true mean is really 380 square feet per gallon. (b) Construct a left-sided power curve, using increments o
A new drug relieves nasal congestion in 90 percent of those with the condition. The new drug is administered to 300 patients with the condition. What is the probability that more than 265 will be r
Are these two draws.independent events? What is the probability of a junior's name on the first draw? a junior's name on the second draw, given that a junior's name was drawn first?
The city council of a suburb of Columbus is interested in the level of public support for a new recreation center. A marketing research firm is selected who then selects a simple random sample of 50
Century National Bank states that the monthly deposit mean is $50,000, the standard deviation is $4,000. The I.R.S. did an audit and found that the deposits usually come in at $1,000 on a daily bas
The driving distance in golf is a uniform random variable between 284.7 and 310.6. What is the probability that a golfer drives less than 290 yards?
However, the number of players being put on the disabled list due to injury increased 32% over the same period (USA Today, July 8, 2002). A research question addressed whether Major League Baseball
4 squirrels with an average weight of 9.0 ounces and a sample deviation of 0.7, what is the 95% confidence interval of the true mean weight?
Sketch and upload the density function for the random variable Y. Be sure to label your axes and provide values on the axes.
Suppose X of the company's absent employees has a Poisson probability ditribution with an average number of 3.4, find
Based on this information can we determine the proportion of weeks the family spends less than $200. If so, find this proportion. If not, explain why.
An Electrical firm manufactures light bulbs that have a lifespan that is normally distributed with a mean 900 hours and standard deviation of 50 hours. out of 250 bulbs, about how many bulbs will ha
22% had both CD players and alarm systems. What is the probability one of these cars selected at random had neither a CD player nor an alarm system