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1)Find 2 types of Graphical Descriptive Statistics articles
2)Brief summary of the two graphical descriptive statistics articles you selected.
3)Describe the types of graphical descriptive statistics used in these articles.
4)Analyze how the level of measurement and the distribution of the data influenced the type of graphical descriptions presented.
5)Be sure to use APA style when referencing in the article
6)APA Style,Citations,and References 2-pages (APA style)
7)2 pages
Fresh fruit prices and quantity data for years 1988 to 2001 follow (Statistical Abstract of United States, 2002). Quantity data reflect per capita consumption in pounds and prices are per pound.
If all the other quantities remain the same, how does the indicated change affect the width of the confidence interval?
A prof. can't decide how to vote on a tuition increase for the students at her univ. The incrase is supposed to pay for new student parking and there appears to be mixed feelings. The prof.
If a random sample of 10 people found that 9 were pro-life (i.e., 90%), while another random sample of 1000 people from the same population found that 550 were pro-life (i.e., 55%), which would you find more significant? Why?
What do confidence intervals represent? What is the most controllable method of increasing the precision of or narrowing the confidence interval
Standard deviation of 8 hours. what percentage of the bulbs have lifetimes that lie within 1 standard deviation to either side of the mean?
A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours.
Many investigaters have studied the relationship between asbestos exposure and death from chronic obstructive pulmonary disease (COPD)
Is the threat of being shot by a hunter. Hazards associated with hunters. Then why is hunting allowed? Suits in the deep woods?
Assume the cholesterol levels of adult American women are normally distributed with a mean of 190 mg/dL and a standard deviation of 26 mg/dL. What percent of adult women do you expect to have cholesterol levels at least 200 mg/dL?
If two events are collectively exhaustive, what is the probability that both occur at the same time?
For each of the following three scenarios, state which hypothesis test you would use from among the four introduced so far: the z test, the single-sample t test, the paired-samples t test, and the independent-samples t test.
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