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The campaign staff legislator wants to determine whether the legislators performance rating (0-100) has increased from last year to this year. the legislature performance ratings from the same 16 randomly selected voters are recorded for last year and this year.
What is the null and alternative hypothesis?
Using the technique you have identified as being most appropriate you are then required to analyse AMP given in example of Thomson ONE Banker Analytics website .
At 0.05 significance level, is there a difference in the mean number of defects per shift? Assume that the populations are approximately normally distributed and the variances are equal.
testing the difference between two means.bull what two assumptions must be met when you are using the z test to test
Determine the expected number of Republicans who will win office in the coming election? Illustrate the standard deviation of r?
a psychologist has developed a new method designed to help people taking an exam. the method requires the person to
This problem related to Basic Statistics and it discuss about incorporating various effects into the study of determinants of regional unemployment rates in Canada. This has been discussed in the solution in detail
The number of hours of delay per each additional vehicle. The percentage of the variation in number of hours of delay that is accounted for by this regression. The percentage of hours of delay that are explained by vehicles stuck in traffic.
System data for a job shop revealed that the average time spent by a job in the shop was approximately n = 5 working days. Construct a statistical test using a level of significance of alpha = 0.05
probability values based on normal distribution.the old exit exam followed a normal distribution with micro 500 and
Which of the following would be the hypothesis for testing the claim that the proportion of students at a large university who smoke is significantly different from 0.15?
a presidential election poll shows one candidate leading with 60 of the vote. if the poll is taken from 200 random
What is the appropriate degrees of freedom in this case? Give your answer to four decimal places. What is the lower confidence limit on the interval?
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