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Question: 1. In a sample of 60 households, one house is worth $2,500,000. Half of the rest are worth $280,000, and all the others are worth $315,000. Which is the better measure of the "center": the mean or the median?
2. The number of books checked out from the library from 25 students are as follows:
0; 0; 0; 1; 2; 3; 3; 4; 4; 5; 5; 7; 7; 7; 7; 8; 8; 8; 9; 10; 10; 11; 11; 12; 12 Find the mode.
How many "bars" would be involved if you were supposed to construct a bar graph to represent the frequency distribution of letters? What is the relative frequency of letter I?
Determine and interpret the p-value for the test. Source: Bureau of the Census, Statistical Abstract of the United States 2009, p. 163.
u.s. department of agriculture date reveal small farms in the usa number one million owners. small farm data show
The number of movies, Y, in which a Hollywood personality has appeared is related to the Bacon Number by the formula Y = 2X + 5. Find the mean, variance, and standard deviation of the number of movies in which a Hollywood personality has appeared.
For the following questions, assume a normally distributed population. Given μ=10, σ=2, and n=8, compute the standard error of the mean. Given μ=10, σ=2, and n=200, compute the standard error of the mean
a sample of 36 patients in a doctors office showed that they had to wait an average of 45 minutes with a standard
Jolie takes 45 minutes to do her statistics homework. If the mean is 38 minutes and the standard deviation is 3, calculate Jolie's z score. Once calculated, interpret your findings in terms of Jolie's performance.
please respond with your thoughtsopinions and use examples to support your answer on the two separate posts in at least
Guesses for all answer find Mean, variance, standard deviation, the probability of getting exactly six question correct and the probability of getting at least six question correct.
If an individual is selected, find the probability that the individual's pressure will be between 120 and 121.8 mm Hg. Why is the answer to Part a so much smaller than the answer to Part b?
What is the MTBF?- On a given day, what is the probability that it will break down?- If four days have passed without a breakdown, what is the probability that it will break down on the fifth day?
The following table gives PX,Y (x, y), the joint probability mass function of random variables X and Y.
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