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An advertising agency wants to know if the magazine they advertise in makes a difference in the response to the magazine readers. Each reader was asked to give the advertisement a rank between 0 and 10 (0 for no interest to 10 with high interest). They then survey 10 people that read one of the three different magazines that the company was interested in advertising in. The response of those ten people are:
At a significance level of .05 can we conclude that the mean rank for the advertisement is the same for all three of the magazines?
What is your null hypothesis?
What is your alternative hypothesis?
What is the value of the SST
What is the value of the SSE
What is the SSTotal
What is the degrees of freedom for the treatments
What is the degrees of freedom for the error
What is the MST
What is the MSE
What is the calculated F Distribution
What is the critical value of the F Statistic
What is your decision?
Iterpret your results
Given that z is a standard normal random variable, compute the following probabilities.
You are interested in evaluating a new treatment for heart disease. (a) Discribe the population of interest. (b) Describe how you might obtain a random sample.
a sample of 25 novels has a standard deviation of 9 pages. find the 95 confidence interval of the population standard
It is believed that students who begin studying for final exams a week before the test score differently than students who wait until the night before. Suppose you want to test specifically that students who study earlier have an average score tha..
Based on your answer to part a, is it unusual for a passenger to have mishandled luggage? Is Peter Greenberg's comment and advice warranted? Explain your answers.
consider the following time series data of sales per yearyearsales199522.2199623.0199724.4199825.8199927.6enter these
Develop a stem-and-leaf chart. Note: A typical row for the Stem & Leaf plot might look like 3ê0269. Where, the vertical line is obtained by using "Shift & |\" key. The line is inserted at the location of the cursor.
the amount of each active ingredient in 1 pound of each chemical are given in the file P15_74.xlsx. It is necessary that at least 100 pounds of chemical 2 be used. Determine the cheapest way of producing today's batch of NasaMist
We are in week 4, and you are still quoting only your opinion. You are missing the point of this entire exercise, let me restate it. 1. Develop APA writing skills and styles, (Get the personal articles out of your words (I, me, mine, yours, the..
Six houses were selected and each appraiser provided an appraisal for each of the six houses. What would be the best statistical test to use for the analysis of this data?
State the hypothesis test (with the formula of test statistic) could be used to see if the show-up ratio of people booked tickets is larger than 0.7.
Welcome to this graduate course in statistics. No matter what your experiences and feelings about statistics are at this time, you will likely find many practical connections to life as you work through this course.
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