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Answer the following two questions. (Show all work. Just the answer, without supporting work, will receive no credit).
(a) There are 15 juniors and 20 seniors in the UMUC Stat Club. The club is to send four representatives to the Joint Statistical Meetings. If the members of the club decide to send two juniors and two seniors, how many different groupings are possible?
(b) A bike courier needs to make deliveries at 6 different locations. How many different routes can he take?
If the Pearson Correlation is 0.18, what do we get, what is the value called, and what does it tell us?
Using a grammar for the C programming language, try to extend the syntax to allow nested function definitions. For example, you might allow function definitions to occur inside any compound statement. Report on any difficulties you encounter, and ..
1. What is the possible range of scores for the data set? 2. Using the data set, open a data file in SPSS and enter the data in data and variable view. Participant #1 must have missing data for Variable #3. Code this.
explain the difference between a left-tailed two-tailed and right-tailed test to include when would we choose each type
two points along a straight stick of length 39 cm are randomly selected. the stick is then broken at those two points.
The pairwise post hoc tests indicate which quality groups' means are statistically significantly different for the others. Using the results of the Tukey HSD post hoc test, what two quality rating groups had significantly different mean alcohol by..
Identifies four criteria and their corresponding percentage weights. Option A has ranks as shown in the table below: Calculate the importance score sum for option A?
Conduct an analysis of variance using the normal probability plot in part (a) for guidance in forming an error term. What are your conclusions
The probability will be .90 that the sample mean will not differ from the true mean by more than 20 percent of the std. deviation. How large a sample should he take?
(a) Verify that the mean is 15 and find the standard deviation for the 10 cases for which x is not missing (b) Create a new data set with 20 cases by setting the values for the 10 missing cases to 15. Compute the mean and standard deviation for thi..
How many city residents must be surveyed in order to have a 95 percent with a precision of plus/minus 3 trips per month.
Explain what type of data is displayed in contingency tables. Explain how contingency tables and their related statistics are used to test for significance of relations among the data.
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