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Respiratory breathing capacity of individuals in houses with low levels of nitrogen dioxide was compared to the capacity of individuals in houses with high levels of nitrogen dioxide. From a sample of 200 houses of each type, breathing capacity was measured on 600 individuals from houses with low nitrogen dioxide and on 800 individuals from houses with high nitrogen dioxide.
(a) What problem do you foresee in applying t -tools to these data?
(b) Would comparing the average household breathing capacities avoid the problem?
The cost for the conference room, instructor compensation, lab assistants, and promotion is $9,600. Micromedia rents computers for its seminars at a cost of $60 per computer per day. Question: find the breakeven point for this problem using Excel.
Find the lowest possible score a candidate can score and still qualify. Assume the scores are normally distributed.
Carry out suitable multiple comparison procedure to determine the source of the difference.
question the data displayed below represents the electricity cost during a recent month for a random sample of 50
What is the probability of selecting a value at random and discovering that it has a value of less than 395 pounds?
from a christian worldview what is greed? is greed just referring to money? what other items could greed be referring
for many countries tourism is an important source of revenue. data are collected on the number of foreign visitors to a
Determine the probability that of a Type I error using decision rule if population mean is in fact 800 kilowatts per day?
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. Answer the following questions. a) What is the probability of completing the e..
1.a bank wants to get new customers for their credit card. they try two different approaches in their marketing
kyle averages 5 finished accounts per day. his standard deviation is 1 account per day and we want to know how many accounts he has to finish in a day to be at his 79.95 percentile
Suppose that sales of lemonade and sales of brownies are independent, determine standard deviation in his revenue.
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