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Collect data about hair salons clients vs. walk In's and product vs. services. Explain how you obtained a suitable sample of either qualitative or quantitative data. Review data for validity and reliability. Use descriptive statistics to summarize data.
Calculate the mean and standard deviation and Based on these statistics, describe how these anthropometric data compare to the US male and Chinese female populations.
Compute the mean price of the stock, what is the median price and compute the variance and standard deviation
As part of an assessment for navigation, a professor has his students take a written test. He teaches two sections of the class. The variance and standard deviations for test 1 and test 2 scores are shown below. What do the results say about the rela..
Each of the following proportions is based on survey responses. For each proportion, use the ±2 rule of thumb to determine the 95 percent confidence interval. When asked if they are satisfied with their financial situation, .29 said "very satisfied" ..
What is the probability that the two selected candies are the same flavour?
The manger of a restaurant that delivers pizza to college dormitory rooms
A local ice-cream store receives an average of 3 customers per hour. Assume that the arrival events are well described by Poisson distribution. The cashier wants to leave the store to run an errand. The manager computes the expected time T between..
According to the Center on Budget and Policy Priorities article "Curbing Flexible Spending Accounts Could Help Pay for Health Care Reform" (revised June 10, 2009), flexible spending accounts encourage the over-consumption of health care; people buy t..
1) The 1996 GSS asked, "If the husband in a family wants children, but the wife decides that she does not want any children, is it all right for the wife to refuse to have children?" Of 708 respondents, 576 said yes.A) Find a 99% confidence interval ..
Cost of flying listed below are costs
11) The time taken to assemble a car in a certain plant is a random variable having a normaldistribution of 20 hours and a standard deviation of 2 hours. What is the probability that a car canbe assembled at this plant in a period of time:a. l..
How many of the data values will fall within the range
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