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Suppose you conduct a 4 x 3 Factorial experiment.
a) How many factors are used in the experiment?b) Can you determine the factor type(s)--qualitative or quantitative--from the information given? Explain.c) Can you determine the number of levels used for each factor? Explain.d) Describe a treatment for this experiment and determine the number of treatments used.e) What problem is cause by using a single replicate of the experiment? How is the problem solved?
Determine the estimated population mean?
Compute the value of the test statistic (to 2 decimals).
For each of the following situations, indicate the appropriate measure, incidence rate or prevalence rate and the numerical value of the rate.
Suppose a botanist grows many individually potted eggplants, all treated identically and arranged in groups of four pots on the greenhouse bench.
The following data were collected as part of a study of coffee consumption among male and female undergraduate students. The following reflects cups per day consumed:
The Wall Street Journal reported some interesting statistics on the job market. One statistic is that 40% of all workers say they would change jobs for "slightly higher pay."
In the last quarter of 2007 a group of 64 mutual funds had a mean return of 0.9% with a standard deviation of 5.2%. Consider the normal model N(0.009.052) for the returns of these mutual funds.
Do the association between the sizes of the heads and bodies of the two species appear to be strong? Explain.
A study is conducted to determine if the traffic light patterns at a busy intersection need to be adjusted to help the flow of traffic. Data on the volume of traffic and the traffic patterns during different times of day are recorded.
Describe to a person who has never taken a course in statistics the meaning of a grouped frequency table.
To find out the test statistics utilizing chi square method. A professional bowler has been having trouble 'hitting the pocket' in order to get strikes.
An exam consists of 10 true or false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly six questions correctly? (Round the answer to three decimal places)
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