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Instructions: each question should be 200-250words
Q1) Weather reports typically report the daily high and low temperatures, the average temperature for the day, and the record low and high temperatures for a given day. Given that today's high is 70, the average high for this date is 60, the record low for this date is 30, and the record high for this date is 85, what additional information (i.e., descriptive statistic(s)) would you like to have in order to determine if the 70-degree temperature is a significant departure from the average temperature for that date of the year in that particular location? For this exercise, other variables such as humidity, other locations, other days of the year, etc. will not be considered.
Q2)How does a researcher determine the meaning of a score on a norm-referenced test such as an IQ test? Why is the use of standardized scores such as z-scores of value to researchers seeking to interpret test results? How might a researcher use a norm-referenced test to classify individuals as low, medium, or high on a particular characteristic that a test is intended to measure? Explain your reasoning.
Filtering and Summarizing Data
A department store manager has decided that dress code is necessary for team coherence. Team members are required to wear wither blue shirts or red shirts. There are 9 men and 7 women in the team. On a particular day, 5 men wore blue shirts and 4 oth..
A brand manager is concerned that her brand's market share may be evenly distributed throughout the country. In a survey in which the country was divided into four geographic region, a random sampling of 100 customers in each region was surveyed, wi..
Gerald Black of BlackFly Airline has an exclusive contract to run flights of a four-passenger aircraft to a remote mining center. His contract requires him to fly if there are any passengers wanting to make the trip. His fixed costs per day ar..
Construct a 90% confidence interval for (p1-p2)
A study revealed that the probability a judge acquitting a randomly chosen defendant was 0.17 while the probability that a jury would acquit a randomly chosen defendant was 0.33. Further, the probability that both a judge and a jury would have ..
1. Briefly describe your area of research interest (1-3 sentences is sufficient).2. List 4 variables that you might assess in a research project related to your research area. List one for each type of measurement scale: Nominal, ordinal, interval, a..
A.) Blood type AB is found in only 3% of the population. If 165 people are chosen at random, find the probability of the following. (Round your answers to four decimal places.)
2.Describe the advantages and disadvantages of quasi-experiments? What is the fundamental weakness of a quasi-experimental design? Why is it a weakness? Does its weakness always matter?
AirTran Airways and Southwest Airlines were among the leaders in on-time arrivals, with both having 88% of their flights arriving on time. But for the 12% of flights that were delayed, how many minutes were these flights late? Sample data showing the..
Minimize the production cost and the optimal order quantity is cartons of milk, and the average inventory is about cartons - variable cost of making
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