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Interpret the following SPSS computer output for the chi-square test. Variable COMMUTE is "How did you get to work last week?"
Collapse the response categories in the following table so that it meets the assumption of the chi-square test; then perform the test.
Perform a chi-square test on the following data:
The owner of a mail-order catalog would like to compare her sales with the geographic distribution of the population
The sales representative performed an experiment to test whether sending the complete program tapes for review by customers would increase sales
Quality Associates, Inc. is a consulting firm that advises its clients about sampling and statistical procedures that can be used to control manufacturing
What information is provided by the numerical value of the Pearson correlation?
Find the standard deviation. Round to one more place than the data.
A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 2
The college is planning to add a food vendor in the student union and would like to know what type of food service the students would prefer
The college theater department recently staged a production of a modern musical. A researcher recorded the gender of each student entering the theater
FlightStats, Inc. collects data on the number of flight schedules and the number of flights flown at major airports throughout the United States
Finding and retaining good health care professionals requires an agressive recruitment effort.
In Los Angeles there are three network television stations, each with it own evening news program from 6:00 to 6:30 PM.
Sandeep is the admissions director of a small extended care facility. She schedules admissions Monday-Saturday and may have unscheduled admissions
Imagine that the correlation between years of education and happiness scores is .31. Describe what this correlation indicates.
Select a type of quantative data to collect from your own life. examples such as the # of people you see at work each 1/2 day.
Pools have always been a fun amenity to have when it comes to owning a home. However, the cost associated with having a pool can help a homeowner
Where people turn for news is different for various age groups. A study indicated where different age groups primarily get their news
The t-table has entries for areas of 0.10,0.05,0.025,0.01, L0.005. In contrast, the x2-table has entries for those ar¬eas and for 0.995, 0.99, 0.975, 0.95
In 2005 there were 43,443 fatalities in the United States as a result of motor vehicle crashes. The pie chart at the right shows the national distribution
Salaries An employment information service says that the standard deviation of the annual salaries for public relations managers is at least $14,500
How do you use the chi-square distribution to test if a frequency distribution fits a claimed distribution?
Computer abuse by employees is an ongoing worry to businesses. A study revealed the data shown in the chart below.
An insurance company has two divisions, auto and property. Total annual claims, X, in the auto division follow a normal distribution with mean 10