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A statistician has a sample, and is computing the sum of the squared deviations of the sample numbers from a number q. The sum of the squared deviations will be smallest when q is the __________. Fill in the blank (25 words or less) and explain.
The data presented in the table below resulted from an experiment in which seeds of 5 different types were planted and the number of seeds that germinated within 5 weeks after planting was recorded for each seed type.
the top nine scores on a test are as follows24 28 30 37 44 49 49 53 63please find the standard deviation and show your
The following data are daily price quotations of two stocks: Stock A: 12.50, 12.75, 12.50, 13.00, 13.25, 13.00, 13.50, 14.25, 14.00. Is there a correlation between the two stocks? Explain.
1) What is correlation? 2) What is an example of two variables that are likely to be correlated because they are both changing over time?
Write a few sentences explaining and interpreting the plot, which represents changesin Danish soft-drink sales over the course of a year alongside trafficaccidents. Note the dual Y-axes and their differing scales.
Construct a perfect one-factorization of K_2n for infinitely many values of n. Prove the factorizations are perfect
What is the correlation, and why is it so high? Since all of the guessed weights were higher than the actual weights, does that influence the correlation at all?
Given the following data on hotel check-ins for a 6-month period:
The food distributor selects a sample of stores located in areas where he believes the shoppers are receptive to trying new products. What type of sampling does this represent?
a coin is tossed four times. show the sample space and find the probability of getting a simple event of three heads
Each year approximately 160 colleges compete in national concrete canoe competion. Each team should design a seaworthy canoe from a substance not known for its capacity to float. T
although there are many treatments for bulimia nervosa some subjects fail to benefit from treatment. in a study to
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