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At a national seashore, the number of swimmers per day who require lifeguard assistance averages 4.1, on any day when 7 or more swimmers are assisted, the lifeguards receive a $20 bonus for extra effort. Bob's base life-guarding pay is $12 per hour for each 8 hour day. Taking into account the extra-effort days that sometimes occur, what is Bob's average pay for an 8 hour day?
Do any of the selected samples seem to be out of the control limits? Describe.
The Acme School of Locksmithing has been accredited for the past 15 years. Discuss how this information might be interpreted as a
Explain how many cars would required to go by the speed trap to be 99.8% sure which at least one driver will warm oncoming traffic of the speed trap.
The width of a confidence interval will be:
Determine percentage of employees has 5 dependents? Of all employees which have at least one dependent, determine percentage has more than one?
The manager of Sandy Corporation wants to determine whether or not the type of work schedule for her employees has any effect on their productivity. She has selected 15 production employees at random and then randomly assigned 5 employees to each ..
Hypothesis test for the difference between two means - Assume the population standard deviations are not the same. At the 0.05 significance level, is there a difference in the mean waiting time?
Give a possible description why serum cholesterol values for older males are lower than for younger males and reverse is true for females.
Using an example from a hospital, create a mock data set for two specific variables of importance within hospital (minimum of 20). The data may be used for quality measures, patient inputs, demographics, financial data, etc.
The sampling distribution of the average score and Suppose x' is your average pay for the 100 weeks. Then x' has approximately
What other information would you like to know to answer the question about salary equity between the genders? Why?
Discuss three measures of central tendency for the dependent variable. Is this distribution skewed? If so, in what direction? Explain your answer. Why would you NOT attempt to determine the central tendency of the independent variables?
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