Reference no: EM131431896
1. Three numbers, whose sum is 12, are in AP. If 1,2 and 6 are added to them, the resultin g numbers are in GP. Find the numbers
2. Average rainfall on a city from Monday to Saturday is 0.3 inch. Due to heavy rainfall on Sunday, the average rainfall for the week increased to 0.5 inch. What was the rainfall on Sunday?
3. Calculate median from the following data
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Marks
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10-25
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25-40
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40-55
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50-70
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70-85
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85-100
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Frequency
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6
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20
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44
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26
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3
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1
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4. Given the following results of the height and weight of 1000 students. The mean height is 170 cm, the mean weight is 75 kg. the standard deviation of the height and weight are 6 cm and 6 kg respectively r = 0.6. amit weighs 50 kg, sumeet is 1.5 m tall. Estimate the height of Amit from his weight and the weight of sumeet from his height
5. In a sample of 500 people from a village in rajasthan, 280 are found to be rice eaters and rest wheat eaters. Can we assume that both the food articles are equally popular?
6. In a binomial distribution 31% of the items are under 45 and 8% are over 64. Find the mean and variance of the distribution
7. In a large number of group of children 55% are under 60 cm heighty nd 40% are between 60 and 65 cm. Assuming a normal distribution, find the mean and SD of height
8. Construct index number form the data by annlvin Marshall edge worthmethod
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Commodity
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Price 2004
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Quantity
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Price 2006
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quantity
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A
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2
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8
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4
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6
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B
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5
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10
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6
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5
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C
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4
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14
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5
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10
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D
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2
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19
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2
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13
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Use the bootstrap to give confidence interval for estimate
: Based on given exercise and the previous two, which of the three ways of thinking is most effective for communicating the results? Give reasons for your answer.
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Use the bootstrap to give confidence interval
: For gamers who play on consoles, they would report that teens are 1.65 (89/54) times more likely to play on consoles. Use the bootstrap to give a 95% confidence interval for this ratio.
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How the decisions made by the main characters influence
: Management 306- For this paper, discuss how the decisions made by the main characters influence the "real world." What did their actions do to the other Wall Street firms? How did they influence domestic and global financial markets?
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Make a back to back stemplot
: Make a back-to-back stemplot. Do you think the difference in mean ages will be significant?- What do you conclude about using the t test? What do you conclude about the mean ages of the trainers?
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Construct index number form the data
: Construct index number form the data by annlvin Marshall edge worthmethod - Find the mean and variance of the distribution.
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What is the bootstrap standard error
: What is the population median? Bootstrap the sample median and describe the bootstrap distribution.- What is the bootstrap standard error? Compute a bootstrap t 95% confidence interval.
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Are the variances of the neutral and sad subjects equal
: Are the variances of the neutral and sad subjects equal? Compare the variances using a permutation test. Summarize your results.
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Describe the characteristics of long-term debt
: Compare and contrast the features of common stock and preferred stock. Describe the characteristics of long-term debt. Distinguish between floating rate and fixed rate corporate bonds.
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Please explain elasticity using examples
: Please explain elasticity using examples. Please use examples to explain inelasticity. If a product demand is inelastic what happens if prices are reduced or increased? If product demand is elastic what happens if prices are increased or decrease..
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