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How do you set up SPSS to find descriptives for the perceived learning variable for each gender?
There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number of outpatient surgeries performed at each hospital last week.
Assuming the requirements of ANOVA are satisfied, at the .05 level of significance, is there evidence of a significant difference among the mean wait times at the five checkpoints?
A presidential candidate's aide estimates that, among all college students, the proportion p who intend to vote in the upcoming election is at least 70%.
Describe a situation in which correlation analysis or regression analysis can be (or was) misused to explain cause and effect relationship in a case of fortuitous correlation.
Suppose a candidate running for sheriff claims that she will reduce the average speed of emergency response to less than 30 minutes.
Mean income of $30,000and a standard deviation of $3,000. What is the income that separates the top 25% from the lower 75% of the incomes?
Established that the relation between age, and weight is somewhat linear. He calculated that the correlation between age and weight is 0.514. Describe the association.
The effectiveness of treating respiratory infections with herbal remedies was studied. "Days of fever" was used to measure effects. Among 356 children treated with herbal remedies, teh mean number of days with was 0.36,
Henry performed a two-tailed test for an experiment in which N = 24. He could not find his table of t critical values, but he remembered the tcv at df = 13. He decided to complete his obt.with this tcv. Is he more likely to make a type I or II err..
Suppose your data is approximately normally distributed with a mean 25 and standard deviation 15. What is the approximate 97.5th percentile of your data?
Nine percent of undergraduate students carry credit card balances greater than $7,000. Suppose 10 undergraduate students are selected randomly to be interviewed about credit card usage.
Form a frequency distribution and a percentage distribution that have class intervals with the upper class limits $99, $119, and so on.
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