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Question: 1) Suppose that the frequency distribution of daily high temperatures in a city are normally distributed with a mean of 60 degrees. Suppose that roughly one day every two years has a high temperature of 90-degrees or warmer. If this is the case, what is the approximate standard deviation of daily high temperatures? 2) Suppose that the frequency distribution of daily high temperatures in a city are normally distributed with a mean of 60 degrees. If approximately 9 days in a year have a daily temperature of 100 degrees and above, then what is the standard deviation of daily high temperatures? These questions are very similar, and I wonder how to find approximate standard deviation without a data set? The only information from the question is the mean and the highest temperature. Are the days mentioned in the question matters to find the answer? By how?
What does p = .05 mean? What are some misconceptions about the meaning of p = .05? Why are they wrong? Should all research adhere to the p = .05 standard for significance? Why or why not?
Diane Brown is the mayor of a large city. Lately, she has become concerned about the possibility that large numbers of people who are drawing unemployment checks are secretly employed. Her assistants estimate that 40% of unemployment benefi..
Calculate an appropriate measure of agreement between DHEC and the independent company - Estimate for the proportion with a fast reaction time for each sex.
A recent study examined the association between high blood pressure and increased risk of death from cardiovascular disease. There were 2676 men with low blood pressure and 3338 men with high blood pressure. In the low-blood-pressure group, 21 men di..
Your write-up of this experiment should include your work to determine the n, your methodology, your record of the experiment, your confidence interval, your interpretation of the confidence interval, your formal hypothesis test and your comments ..
List and explain the variables you would collect in this study. There must be a minimum of three variables and two must meet the assumptions for a correlational analysis.
single sample hypothesis testing z-tests1. for the population at large test scores on the wechsler intelligence scale
Perform a hypothesis test of H0
1. first carefully check for any typing mistakes in the data.for example i noticed the birth year for some students as
Near the time of an election, a cable news service performs an opinion poll of 500 probable voters. It shows that the Republican contender has an advantage of 52% to 48%.a.Develop a 95% confidence interval for the proportion favoring the Republican c..
What are the mean and standard deviation of the sampling distribution of the mean for N = 16
Perform a hypothesis test to address the questions
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