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low moderation high totals
21 15 6 42 = low12 25 21 58 =moderate8 17 32 57 = high41 57 59 157 = total
An soci. had built up a data base describinga sample of the neighborhoods in her city and has developed a scale by which each area can be rated for the quality of life. Is there a statically signifant relationship between these variables. b. Compute column percentages for the table to determine tthe pattern of the relationship.
a) What is the probability of getting four hits in a particular game? (Round your answer to 3 decimal places.) b)What is the probability of not getting any hits in a game?
The table below gives the loan requests (in thousands of dollars) for the past 12 months. Would you say that the local business economy is heating up or cooling down? Explain your answer. Graph the data.
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 40 people.
Tourism is one consideration for CoffeeTime's future, A survey of 1,233 visitors to mumbai last year revealed that 110 visited a small cafe during their visit.
You want to show an increase in buying and selling of single-family homes this year when compared with last year's rate.
Define the standard error of the mean. What happens to the standard error as the sample size increases? Explain
What is the critical value of the Chi-square? Compute the value of Chi-square. What is your decision regarding H0?
Suppose 100 randomly selected customers were asked to rate a particular service they recently had on a scale of 0 to 10. The sample mean rating was found to be 7.3.
Probability using Pareto chart - Evaluate the probability of randomly selecting an adult from the sample who doesn't always eat healthy foods because he or she has no time to cook or is confused about nutrition.
One approach for defining elevated blood pressure is to use 90 mm Hg- the standard for elevated adult DBP- as the cutoff. What percentage of 17-year-old-boys would be found to have elevated blood pressure, using this approach?
Their resting heart rates were measured. A partial ANOVA table is given.
Develop a linear regression model for these data and forecast carpet sales if 30 construction permits for new homes are filed.
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