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Two high schools are completing in a track meet. The net event is the one hundred meter dash. The coach of the Cheetahs has asked you to construct an interval estimate of how much faster the opposing team's sprint unit is than the Cheetah's sprinters. The Cheetah's coach tells you that five of his sprinters average 11.5 seconds in the 100 meter dash and that their times have a standard deviation of seconds. He says that his runners' times are normally distributed. The Cheetah's coach also scouted the other team the Rockets. He was able to observe six of their runners. The rockets sprinters had an average time of 11.35 seconds with a standard deviation of 0.2 seconds . The cheetahs' coach believes that the Rockets' times are normally distributed as well. Construct a 95% confidence interval the Coach to compare the two teams' sprint units.
What is the probability that a cereal would either high calorie or high fiber? In other words, what is P(high calorie or high fiber)?
To find out the prior probability, conditional probability and posterior probability. Calculate the posterior probability that the bid will be successful given a request for additional information.
What is the expected number of Republicans who will win office in the coming election?
The researcher computes the sum of squares for groups as SSG = 40030 and the sum of squares for error as SSE = 414780. The numerical value of the ANOVA F statistic is
She is interested in testing the null hypothesis that the mean SAT score is the same for each type of schooling using the one-way ANOVA. Some summary statistics for the three groups are given below, followed by the one-way ANOVA table.
Use MegaStat's output for multiple regression to determine the multiple regression equation
Open data file on your excel file AirlinePassengers . Point to the level of data (nominal, ordinal, ratio, or interval) measurement for each variable in data set. Notice tab for description gives information about data.
A human factors psychologist studied three computer keyboard designs.
Use a calculator with mean and standard deviation keys to verify that the sample mean is x = 5.63 pups with the sample standard deviation s = 1.78 pups. (b) Find a 75% confidence interval for the population.
They find that these 100 people lost an average of 38 hours with a standard deviation of 9.5 hours. What is the P-value for this significance test?
Evaluate the area under the standard normal curve that lies to the left of z = - 3.49 and simple random sample of size
Carryout the ANOVA and, if essential, post-hoc comparisons. Conduct a graph to represent group differences, and interpret ANOVA in a paragraph written in APA style.
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