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Interpret the p value and chi square(x^2) value for each when the confidence interval is 95%
1) Current Smoking Status: x^2= 2.4088; p= 0.299864
2) Insurance Coverage: x^2= 2.9436; p= 0.966488
3) Education: x^2= 16.3899 ; p= 0.356621
4) Primary Care Provider: x^2= 1.8267; p=0.934929
5) Gender: x^2 = 6.1886; p = 0.102785
WHY the communication professionals should OR should not develop a communications strategy to help employees integrate in this new organizational culture.
She gathers a sample of 35 subjects with depression and obtains a sample mean of 7.82 micrograms/100 ml. What are the null and alternative hypotheses for this study?
A data set of 14 ozone measurements (Dobson units) taken at different times from the lower stratosphere, between 9 and 12 miles (15 and 20 km) altitude.
How would you expect the standard deviation for these data to differ from what you found in Exercise?- Check your answer to part (a) using the One-Variable Statistical Calculator applet.
A manufacturer of car batteries claims that the life of their batteries is normally distributed with mean μ = 58 months and standard deviation σ = 3. Determine the probability that a randomly selected battery will last at least 62 months.
Which described a Gallup poll. The poll surveyed a random sample of 439 American teenagers, and one question that they were asked.
Question 1: You toss a coin twice. Give: (i) The probability that you get one head and one tail overall.
Determine the level of measurement for each of the following variables.
A spillway is being designed for a dam on the Feather River at Oroville, California (Prob. 1.7). The problem is to make the most reliable forecasts
The mean number of English courses taken in a two-year time period by male and female college students is believed to be about the same.
What are the mean value and standard deviation of the number among these 15 that are from the second section? What are the mean value and standard deviation of the number of projects not among these first 15 that are from the second section?
a pair of dice is rolled 5 times. find the probability that a total of 11 occurs twice before a total of 5
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