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A real estate investor is investigating whether the proportion of properties sold at auctions has declined from last year, when the proportion was 40%. Let p be the proportion of properties sold at auctions this year? a sample of 400 property auctions found that 150 had sold. What is the value of the test statistic to test the hypotheses? Give your answer to 2 decimal places.
Find out the range (R), variance (V) and standard deviation (s) for the given set of values:
F90 posted a question Sep 18, 2014 at 12:58pm ..
When studying the simultaneous responses to two categorical questions, we should set up a:
an airline wants to estimate the average number of unoccupied seats per flight. a random sample of 105 flights is
A few years ago, the Department of Education published information about education in the United States. It reported the average amount (dollars per student) spent by public schools in each state during the prior school year.
question 1new spark plugs have just been installed in a small airplane with a four-cylinder engine. there is one spark
He wants to be 95% confident that his estimate is correct. If the standard deviation is $1050, how large a sample is needed to get the desired information and to be accurate within $200?
What are the assumptions of regression analysis and how do you evaluate them?
a medical research team studied the number of head and neck injuries sustained by hockey players. of the 319 players
problem 1 a small factory consists of a machining center and inspection station in series. unfinished parts arrive to
for each equation below identify what type of equation it is linear or exponential which variable is the independent
a tibetan monk leaves the monastery at 700 a.m. and takes his usual path to the top of the mountain arriving at 700
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