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Q1) One of the factors which company will use in finding whether it will locate new facility in a community is status of the real estate market. Managers believe that significant measure of real estate market is average length of time that homes stay on market before selling. They believe that if mean time on market is less than 45 days, real estate market is favourable. To test this in particular area, a random sample of n = 100 homes that sold in the past six months was selected. Mean for this sample was= 40 days. It is believed that population standard deviation is 15 days. If test is conducted using a 0.05 level of significance, what conclusion must be reached?
The market model relating the rate of return of stock XYZ (denoted RXYZ) to the rate of return Of a broader index of the stock market (denoted RM) is reported as:
Suppose we drew a histogram of these 18 death rates using class intervals 1 — 1.9, 2 — 2.9, 3 — 3.9, 4 — 4.9 and 5 — 5.9. Using the histogram, we would
Calculated test statistic, decision about the null hypothesis interpretation of results, and a list of references consulted.
Find the probability using the Poisson distribution.
Fawns Fawns among1 or 5 months old in Mesa Verde National Park have a body weight that is approximately normally distributed with mean
What is the 95% confidence interval for the difference between the mean prices of the two models?
Utilizing the .05 level, do the results support the psychologists' theory. A psychologist theorized where people can hear better when they have just eaten a large meal.
The margin of error for a 95% confidence interval estimate for the proportion of all students with cell phones is
Determining the probability that the two choose the same number?
Statistical Hypothesis testing - Frequency distribution
What is the probability that the drug will be effective for 3 hours or more?
Does this sample indicate a smaller average? Use α = 0.05 and assume a normally distributed population.
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