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The following data gives the weight for 8 corn cobs which were produced using an organic corn fertilizer:
212, 234, 259, 189, 245, 176, 203, 215
a) For this sample of n = 8 observations, obtain the mean, the median, the interquartile range and the standard deviation
b) Among the four statistics from part a, which are measures of central tendency and which are measures of dispersion?
c) Are there any outliers in this sample? If so, which values are outliers?
you play two games against the same opponent. the probability that you win the first game is 0.4. if you win the first
Find a 95% confidence interval for the mean number of hours all employees at Liberty Mutual use the Internet for personal reasons.
Calculate a 3-period moving average for period 7. Compute the MAD of the forecast.
b. Assuming that the Si are independent normal random variables, state the likelihood function and obtain the maximum likelihood estimators of ß1 and ß2. Are these the same as the least squares estimators?
(a) Construct a stem-and-leaf diagram for these data. Use the numbers 02, 03, 04, 05, 06, and 07 as stems.
One of them claims that using a coin to make the choice is not fair because the probability that it will land on a head or a tail is not exactly 0.50. How can the coin still be used for making the choice?
Suppose X¯ t = 5.1 with sw = 7 based on n = 25. Test the hypothesis that the population trimmed mean is exactly 4.8 with α = 0.01.
What is the probability that the bulb drawn is defective? what is the probability that the defective bulb was from box I?
flavin cosmetics sells 80000 tubes of lipstick annually. by leasing a casing machine at a cost of 9000 per year which
Probability using discrete distribution.The probability distribution for the random variable x follows.
Process of algebraic division and then solving a quadratic equation, find the complex roots. Write down all the factors of the 4th degree polynomial
A population consists of N = 10 primary units, each of which consists of Mi = 6 secondary units. A two-stage sampling design selects 2 primary units by simple random sampling (without replacement) and 3 secondary units from each selected primary u..
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