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more than 10 e-mail messages per day. A similar study on the use of e-mail was repeated in
A. Formulate the hypotheses that can be used to determine whether the proportion of Internet
users receiving more than 10 e-mail messages per day increased.
B. If a sample of 425 Internet users found 189 receiving more than 10 e-mail messages per day,
compute the test statistic
C. Compute the p value for the test statistic
D. At a = 0.5, what is your conclusion about the hypotheses?
E. state the conclusion within the context of the problem.
38. Five years ago the average size of farms in a state was 160 acres. from a recent survey of 27 farms, the mean and standard deviation were found to be 180 and 36 acres, respectively. Is there strong evidence that the average farm size is larger than what is was 5 years ago?
2sin15 degree cos 15 degree
Find PDF (probability density function) of ţ_n
I am writing my research proposal and am trying to workout which statistical test I need to use.
Firstly I need to know which type of data it is. So the results will be from questionnaires with likert scales which I understand is ordinal data. However I will only be analysing the sum-scores of the data which are transformed to scoring of 0-100.
So what type of data would this be if its 0-100?
Thanks in advance for your help.