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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?
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.
a. State the null and alternative hypotheses? b. What is the critical value of the test statistic for an a = 0.05 test?
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A coworker of yours is very pleased, having just found an R2 value of 100%, indicating that the regression equation has explained all of the variability.
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what are the basic characteristics of a normal distribution and the normal
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