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When there are multiple observations per subject, what issues are there with doing a MNL and an ordered logit model, answer in detail and provide example.
Bicycle helmet use. Table lists data from a cross-sectional survey of bicycle safety. The explanatory variable is a measure of neighbourhood socioeconomic status (variable_RFM). The response variable is "percent of bicycle riders wearing a helmet"..
At the 0.05 significance level, can he conclude that number of absences has declined? calculate approximately the p -value.
Describe why the normal distribution can be used as an approximation to binomial distribution. What conditions should be met to use the normal distribution to approximate the binomial distribution? Why is a correction for continuity essential.
At the .05 level of significance, is there convincing evidence that the number of absences per employee has increased?
Use the trend equation to calculate the points for 2003 and 2005. Plot them on the graph and draw the regression line.
Construct a 98% prediction interval for the selling price of a 4l- year old house having 4500 square feet, 13 rooms, and an attached garage.
If a student is randomly selected what is the possibility that the student is male and from out of state.
At the .05 significance level, is the number of units produced on the afternoon shift larger?
What does r 2 of .73 tell us? Is this a strong or weak correlation? How can you tell?
Why might driver be tempted not to use seat belt "just on this trip"?
A Correlation matrix (correlation, coefficients and probability level under the hypothesis rho= 0) for a company's sales force (age, years of service, and current sales) is given below. Comment.
Consider the following stemplot. The mean of the data represented in this stemplot ?
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