Display the data with a histogram

Assignment Help Basic Statistics

Reference no: EM131816512

Here are data for per capita beer consumption (in liters per person per year) in 18 countries during 2002.¹⁸

1604_data for per capita beer consumption.png

a. Display the data with a histogram, using rectangles with intervals of width 20 liters.

b. Explain why the sh

ape of the data suggests that the 68-95-99.7 Rule should work reasonably well.

c. The mean per capita consumption is approximately 80, and the standard deviation is approximately 30. What are the endpoints of the interval that extends within 1 standard deviation of the mean?

d. The 68-95-99.7 Rule estimates about 68% of values should fall in the interval you reported in part (c); what percentage of those 18 values actually fall within the interval?

e. What are the endpoints of the interval that extends within 2 standard deviations of the mean?

f. What percentage of those 18 values actually fall within the interval you reported in part (e)?

g. What are the endpoints of the interval that extends within 3 standard deviations of the mean?

h. What percentage of those 18 values actually fall within the interval you reported in part (g)?

i. Find the z-score for Ireland and report how many standard deviations below or above the mean its value is.

j. Which country has a z-score of 0.3?

k. Countries with consumption values even less than Italy's were not included. Would their z-scores be positive or negative?

Reference no: EM131816512

Questions Cloud

What would operating income have been with the order : The company typically uses a so-called cost-plus pricing system. Direct-material and direct-labor costs are computed, overhead is added at a rate of 115%.

How did the company handle the sales process : How did the company handle the sales process under its old system? How does CRM integrate with ERP

Stemplot for ages at death : The mean age at death is 15 years and the standard deviation is 7 years. What percentage of the dinosaurs' ages were within 1 standard deviation of the mean?

Prepare a tabulation of the performance for the full year : Prepare a tabulation of the performance for the full year including the final course. Assume that the costs of the final course for the 30 enrollees'.

Display the data with a histogram : Here are data for per capita beer consumption (in liters per person per year) in 18 countries during 2002.18

Calculate each of the four cost category groupings : calculating the sum for each separate cost category shown, and be aware it's likely that more than one expense item will apply in each calculation

How cost of producing and promoting movie affect decision : DVD Sales and Rental Markets Is it more profitable to sell your product for $45 or $12? This is a difficult question for many movie studio executives.

Calculate golden gate construction weighted-average cost : The cost of Golden Gate's equity capital is 15 percent. Calculate Golden Gate Construction Associates' weighted-average cost of capital

Clear majority in the sample : Your answer to part (b) indicates that a clear majority in the sample were able to match correctly for the purebred dogs.

User Account

All Pages