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Monitoring the ecological health of the Everglades-the bottom temperatures are recorded at the Garfield Bight station and the mean of 19.7 degrees C is obtained for 62 temperatures on 62 different days. Assuming sigma=1.6 degrees C, test claim that the pop mean is less than 20.0 degrees C. Use a 0.05 significance level to calculate test statistic.
Determine the completion time and standard deviation (σ) for project roundoff the standard deviation to the nearest hundredth: two decimal places.
The researcher also gathers data on age and major to see if there is any connection between these varibales and frequency of sexual harassment.
What is the probability of randomly selecting a student with a treadmill time greater than 25 minutes? In symbols, p(X>25)= ? What is the probability of randomly selecting a student with a time greater than 30 minutes? In symbols, p(x>30) ?
Assume that the population means are to be estimated from the sample described below. Use the sample results to approximate the margin of error and 95% confidence interval
Professor wishes to determine whether prior statistical knowledge assists students in their performance on the final exam. What is the relationship between pretest scores and final exam scores after controlling for cumulative GPA. What SPSS test w..
A method of determining if relationships exist between two variables is:
Find the margin of error for the 95% confidence interval used to estimate the population proportion.
Illustrate what is the probability all four calls are infact emergencies. Illustrate what is the probability that three or more calls are not emergencies.
Find out the value of correlation coefficient. Make a regression model to predict winning percentage utilizing all of the data.
What is the 95% confidence interval estimate of the mean television viewing time per week during the 8:00 p.m. to 11:00 p.m. time period?
Would one make clear (summarize) the differences between the following and when they are used or what they are applied to.
Create the 90% confidence interval for mean score of all such subjects. You may suppose scores are usually distributed.
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