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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?
Consider the airline transportation industry. Develop a house of quality showing customer requirements and technical descriptors.
the productivity of a factory has been recorded over 10 months together with forecasts made the previous month by the
To test his claim, he is presented with 10 covered cans, 1 at a time; he must decide, by means of his divining rod, whether each can contains water.
The other measurement is below 10, i.e. where high measurements tend to cancel low measurements. Use these possibilities to compute the distribution of when n = 2(i.e., find , , etc.).
Suppose that Total Revenue = 200Q and Total Cost = 80 + 50Q where Q, the quantity sold, is a random variable with expected value 20 and variance 4.
The 25th, 50th, 75th, and 100th percentiles for X are called its first, second, third, and fourth quartiles respectively.
Suppose that this test is given to 1000 students. What is the number of students that are expected to make scores between 170 and 230?
hoping to lure more shoppers downtown a city built a new public parking garage in the central business distri. the city
a simple random sample of 40 items resulted in a sample mean of 25. the population standard deviation is 5.a. what is
For the following situations, would you be most interested in knowing the average value, the spread, or the maximum value for each dataset?
x the quality of the speed of executiony overall satisfaction with electronic trades provided the estimated regression
For the current pump design, what percentage of the company's pumps will have to be replaced at no charge to the consumer?
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