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For each of the following situations reported in the news, specify what variable(s) were measured on each individual and whether they are best described as categorical, ordinal, or quantitative.
a. A Los Angeles Times survey found that 60% of the 1515 adult Californians polled supported a recent state law banning smoking in bars (Sacramento Bee, May 28, 1998, p. A3).
b. According to the College Board News (December 1998, p. 1), "Students using either one of two major coaching programs [for the SAT] were likely to experience an average gain of 5 to 19 points on verbal and 5 to 38 points on math."
In this paragraph, be sure to make it clear how you handled the issue of conducting three planned comparisons. Also provide the ANOVA summary table for these results.
What are some of the different types of budgets? Describe in detail one type of budget covered in the text. Describe what the budget is used for and what information it provides a business.
A sample of 25 provided a sample mean x=14 and a sample standard deviation s = 4.32. What is the rejection rule using the critical value? What is the conclusion?
Bolts are randomly selected until a 5 mm bolt is obtained. The outcomes are the sequences of bolts that can be selected. So one outcome is 1, and the other is 342. List the equally likely outcomes.
Compute the average cost for 40 shirts, 100 shirts, 200 shirts, and 400 shirts - Draw the long-run average-cost curve for 40 to 400 shirts per day.
The sample mean production rate for the 18 employees was 80 parts per hour. The sample standard deviation was 10 parts per hour. Construct the 90% confidence interval estimate for the mean production rate for the new method.
You have 4 groups that you are trying to find if there is a difference in any of the population means. In each group there are 7 observations. The given level of significance is an alpha of .005. Your MSA is 6,200 and your MSW is 1,000. Will you r..
STA101 - Statistics for Business Individual Assignment. M&Ms are blended in a ratio of 13 percent brown, 14 percent yellow, 13 percent red, 24 percent blue, 20 percent orange, and 16 percent green. Find the probability of one brown and one green M&..
The following table gives the probability distribution of a discrete random variable x.
a lock on a bank vault consists of three dials each with 30 positions. in order for the vault to open each of the three
a website manager has noticed that during the evening hours about 3 people per minute check out from their shopping
a new muscle relaxant is available. researchers from the firm developing the relaxant have done studies that indicate
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