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Assume that respondents had been asked for party affiliation in a poll. THe responses were coded as 0 (for democra), 1 (for republican), 2 (for independent), or 3 (for any other response). If we calculate the average(mean) of the numbers, how can that value be interpreted?
An analyst thinks that the economic conditions during the next year will either be Strong, Normal or Weak and she thinks that the Simpson Company's returns will have the following probability distribution.
Market researchers would like to know if customers prefer a well-known brand over a generic brand of soft drink. They give a large sample of people the two drinks to taste in a random order and ask them which one tastes better.
Speed of cars travelling on I-85 in Gaston County is normally distributed with average speed (µ) of 66 MPH and standard deviation (σ) of 8 MPH.
There are predictable stages through which every critical thinker must pass. Under what circumstances might one regress from one stage to a previous one?
A regression equation was computed to be Y'=35+ 6X. The value of the 35 indicates that
If one person is selected at random, what is the probability that person is Female?
From National Weather Service records, the annual snowfall in the TopKick Mountains has a mean of 92 inches and a standard deviation ? of 12 inches.
What is the percentage of variation in the dependent variable explained by the variation in the independent variable.
To determine whether there exists mean difference among the groups:
Hypothesis test for dependent samples and Has satisfaction with MHMR services changed since the January survey
Identify the types of processes and analyses used in HR that use data analysis and evaluation. Discuss generally how statistics can be used in hiring, turnover, performance management, training, culture assessments, and other dashboard indicators ..
47% of students have children under 17 living at home with them. Find the probability that a random sample of 800 students will return more than 50% students with children under 17 living at home with them.
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