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The following data are from an experiment designed to investigate the perception of corporate ethical values among individuals specializing in marketing (higher scores indicate higher ethical values).
Marketing Managers Marketing Research Advertising
6 5 6
5 5 7
4 4 6
5 4 5
a) Use α = .10 to test for significant differences in perception among the three groups.
b) At α = .10 level of significance, can we conclude that there are differences in the perceptions for marketing managers, marketing research specialists, and advertising specialists. Use Fisher's LSD approach to determine where the differences occur.
State the hypothesis test (with the formula of test statistic) could be used to see if the show-up ratio of people booked tickets is larger than 0.7.
Manufacturer of guitar amplifiers markets one of its models,
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When studying the simultaneous responses to two categorical questions, we should set up a:
Using your workplace, present or prior, or an organization with which you are affiliated, identify a quantitative and a qualitative variable of interest to you.
If we select one box of cereal at random from this population, what is the probability that it will weigh less than 915 grams?
Assume that the random sample of 200 light bulbs has mean life of 635 hours and standard deviation of 48 hours. Before applying Empirical Rule, what suppositions requires to be made about distribution of lifetimes of light bulbs?
A poll reported that 80% of adults were satisfied with the job major airlines were doing. Suppose 12 adults are selected at random and the number who are satisfied are recorded. find the probability that 9 or more are satisfied with the airlines b..
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The amount ($1.00, $5.00, $10.00, $25.00, or $50.00) promised to each person was determined by randomization. For each person who was sent one of the surveys, The value of the X2 test statistic for testing the hypothesis
In 2010, the average age of students at UTC was 22 with a standard deviation of 3.96. In 2013, the average age was 24 with a standard deviation of 4.08. In which year do the ages show a more dispersed distribution? Show your complete work and supp..
Scores are normally distributed with an average of 1500 and a standard deviation of 150 The minimum exam score necessary for applicants to be further considered for admission is?
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