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Construct a frequency distribution and construct a histogram for the following data
Use seven intervals, starting with 30-39.
79 71 78 87 69 50 63 51
60 46 65 65 56 88 94 56
74 63 87 62 84 76 82 67
59 66 57 81 93 93 54 88
55 69 78 63 63 48 89 81
98 42 91 66 60 70 64 70
61 75 82 65 68 39 77 81
67 62 73 49 51 76 94 54
83 71 94 45 73 95 72 66
71 77 48 51 54 57 69 87
First explain what the Gini coefficient is and what hypothetical Gini values of 0 and 1 mean. Sort the data by the Gini coefficient in 2000 and look at the list of countries.
Suppose the people have weights that are normally distributed with a mean of 164lb and a standard deviation of 30lb. Find the probability?
Keith's florist has 18 delivery trucks used mainly to deliver flowers in the SC area. Of these 18 trucks, 5 have brake problems. A sample of 4 trucks is randomly selected. What is the probability that 2 of those defective have defective braked. Ro..
Using this information, calculate Blpha risk (probability of Type II error) if the true population mean really is 81.
Determine the pairs which are significant according to LSD and what pairs are important according to Bonferroni?
Sample size of only 20. Find out a 95% confidence level for population Cp.
What is the null and alternative hypothesis? What is your final conclusion?
Answer the following three questions based on what you know about statistics now.
Ethics The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase?
On the same chart, produce a graph showing the original probability mass function, and a line graph showing your selected continuous probability density function.
A psychologist is investigating the hypothesis that children who grow up as the only child in the household develop different personality characteristics than those who grow up in larger families.
Which of the following best explains how the F ratio examines differences among groups? A. The critical F is compared to the critical t.
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