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1. Explain a Why we construct a frequency distribution and a histogram for a data set. b The difference between a frequency histogram and a frequency polygon. c The difference between a frequency polygon and a frequency ogive.
2. Explain how to find:
a. The frequency for a class.
b. The relative frequency for a class.
c. The percent frequency for a class.
What is the General Linear Model (GLM)? Why does it matter and compare and contrast parametric and nonparametric statistics. Why and in what types of cases would you use one over the other?
1). Liquid products were first obtained from coal in England during the 1700s. Lamp oil was produced from coal in the United States as early as 1850, but the domestic coal chemicals industry did not develop until World War I. A modern coal - for - re..
Define opportunity loss. What decision-making criteria are used with an opportunity loss table? Explain how a scatter diagram can be used to identify the type of regression to use.
What is the median processing time at the station?
Given the sample mean and the sample standard deviation.Use this information to construct the 90% and 95% confidence intervals for the population mean. Which intervals is wider?
Describe two designs that can address your research question. The designs must involve two different statistical analyses. For each design, specify and justify each of the four factors (statistical test, effect size, alpha level and beta level) and c..
A dental clinic at which only one dentist works is open two days a week. During those two days, the traffic arrivals a Poisson distribution with patients arriving at the rate of three per hour. The doctor serves patients at the rate of one every 15 m..
Thoughts on the value of statistics in general
An observational study is conducted to compare experiences of men and women between the ages of 50-59 years following coronary artery bypass surgery. Participants undergo the surgery and are followed until the time of death, until they are lost to fo..
1) Gather preliminary data about HIV/ AIDS in ruralcommunities in South Africa. Use the Centers for Disease Control and Prevention website (www.CDC.gov) and the National Census website.2) Use the data sets available for download to analyze them accor..
How many 6 digit numbers are there with exact three different digits each repeated twice. example: 255277, 112233,123123
Jack weighs 160 pounds and his sister weighs 110 pounds. If the mean weight for men his age is 175 with a standard deviation of 14 pounds and the mean weight for women is 145 with a standard deviation of 10 pounds, determine whose weight is closer to..
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