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1. Find an article that includes a least one statistic.
2. Print the article and highlight the statistic(s).
3. Write at least 4 sentences that describes the meaning of the statistic(s) and apply concepts we have learned in class. Try to show insight into statistical principles.
4. One article must be critical of the statistic. In other words, you must challenge the content or design of the statistic.
5. Maximum of 5 articles -1 point per article applied to any exam.
6. No duplicate articles will be accepted. The first student to submit the article will be accepted, and any subsequent submissions of the same article will NOT count toward extra credit on exam grade.
a two-sample t test is going to be carried out where it is assumed that the population variances are unknown but
Suppose a new weight loss program was sponsored by the local health and fitness club in a small town. The program claims to make people lose more than five pounds in a month. Twelve participants were selected and their weights were recorded.
consider the experiment of drawing two cards from a shuffled deck and then putting them back. what is the probability
a sample of n8 scores has a mean of m10 after one score is removed from the sample the mean for the remaining score is
Scores on test form normal distribution with mean of µ = 150 and a standard deviation of σ = 25. Mean for sample is M = 158. Compute test statistics (z score) for sample.
find a closed form for the moment generating function of a discrete uniform random variable that is for the random
mimi just started her tennis class three weeks ago. on average she is able to return 15 of her opponents serves. let
Compare value of test statistics F obtained in part(2) with value of t 2 , square of test statistic for testing H 0 : β 1 =0 that was needed in test null hypothesis that true slope is 0. Interpret the results of this test.
A random sample of 20 single men was asked if they would welcome a woman taking the initiative in asking for a date. What is the probability that none of the men will say yes?
A sample of 16 batteries reveals a mean of 3.45 years and a standard deviation of 0.3 years. Find a 95% confidence interval for the population mean.
Develop a scatter diagram for the following sample data. How would you describe the relationship between the values?
If we wish to be 95% certain of avoiding a Type I error, use these data to examine differences in the average distance traveled to the two clinics.
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