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How would managers find benefit in helping them to obtain valuable information in problem identification research. Discuss whether these data are secondary or primary and justify your answers
1. Forecasting and business trend research
2. Market share and market potential
3. Segmentation and marketing mix research
4. Image and market characteristic research
The mean weight of loads of coal placed in train cars by a loading machine is 43.0 tons with a standard deviation of 8.0 tons. Assuming that the weight of loads placed in the train cars by this loader are normally distributed
The level of significance is quantitatively defined as ? and the statistical power of a test is quantitatively defined as 1-?
A frequency polygon: does not depend on one variable. True-False
In a study of elephants a researcher wishes to determine the average weight of a certain subspecies of elephants. From previous studies, the standard deviation of the weights of elephants in this subspecies is known to be 1500 pounds.
What results in your departments seem to be correlated or related to other activities? How could you verify this? Create a null and alternate hypothesis for one of these issues. What are the managerial implications of a correlation between these v..
A personnel manager for a large corporation feels that there may be a relationship between absenteeism and age and would like to use the age of a worker to develop a model to predict the number of days absent during a calendar year.
Find the expected GPA when SAT = 800. Find E (GPA|SAT = 1,400). Comment on the difference.
Millie and Senta Meter have recently taken Pre and Post test in achievement. The test were normally distributed. Millie's percentile rank changed from 57.93 to 77.34. Senta's changed from 1.07 to 4.95.
A group of 200 adults aged 21 to 50 were chosen from those entering Fit Right Health stores in Washington State, and were randomly divided in two groups.
What is the probability that a cereal would either high calorie or high fiber? In other words, what is P(high calorie or high fiber)?
If the same sample results had been obtained from a random sample of 16 students, could the students' claim be accepted at a lower level of significance?
All standard IQ test scores are normally distributed and are set up so that the mean score is 100. However, the standard deviation differs from test to test.
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