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When will a chi-squared statistic equal zero? You need to very specifically discuss the data.
If 1200 people attending a certain concert represent a random sample from the metropolitan area
Oceanside also has a profit margin of 15%. What is Oceanside's AU ratio?
In each passage they counted the frequency of certain words. The results for the word by are shown in the table. Is by used with significantly different frequency by the two writers? Explain how these results help in deciding about the 12 disputed..
You test him, and he gets 20 right out of 20. Do you think he can predict the coin flip (or has a way of cheating)?
Also include information about the number of participants you would assess and how you would go about estimating effect size and statistical power (when relevant).
A nursery has observed that the mean number of days it must darken the environment of a species poinsettia plant daily in order to have it ready for market.
Let X[n] be the sum of independent rolls of a fair (cubicle) die.- Is X[n]a Markov chain?- Now suppose Z[n] = X[n] mod 5 Find the transition matrix for Z[n].
Give a 90% confidence interval for the mean length of all great white sharks. (The interval may be too wide due to the influence of the outliers on s.)
For a normally distributed random variable with mean -44 and standard deviation 16, find the probability that the value of the random variable will be above 0.
Identify the factors, factor levels, and treatments for this experiment.- Explain what factor interaction means for this experiment.
according to the empirical rule if the data form a bell-shaped normal distribution percent of the observation will be
How large a sample is required to estimate the mean speed with a margin of error equal to 2 miles per hour with 90% confidence?
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