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# Healthcare Statistics –

Complete the class limits and class boundaries columns of the distribution table below given the following information: the smallest value is 54 and the largest value is 105. The data will be divided into seven classes. Enter your responses in the space provided.Class LimitsClass BoundariesHTML Editor2.In a ___________ __________, the researcher manipulates one of the variables and tries to determine how the manipulation influences other variables.3.The ___________ level of measurement measures data, and precise differences between units of measure do exist; however there is no meaningful zero.4.The __________ level of measurement classifies data into categories that can be ranked; however, precise differences between the ranks do not exist.5.A ________ is a group of subjects selected from a population.6.In a(n) ___________ __________, the researcher merely observes what is happening or what has happened in the past and tries to draw conclusions based on these observations.7.___________ statistics consists of generalizing from samples to populations, performing estimations and hypothesis tests, determining relationships among variables, and making predictions.8._____________ statistics consists of the collection, organization, summarization, and presentation of data.9.The ________ level of measurement possesses all the characteristics of interval measurement, and there exists an absolute zero. In addition, true ratios exist when the same variable is measured on two different members of the population.10.A(n) ___________ consists of all subjects (human or otherwise) that are being studied.11.The __________ level of measurement classifies data into mutually exclusive (non-overlapping), exhaustive categories in which no order or ranking can be imposed on the data.12.Determine the mean for the following data set:109, 105, 113, 108, 11513.Determine the mode for the following data set:109, 105, 105, 108, 11514.Determine the median for the following data set:11, 12, 13, 14, 15, 1615.Cindy is helping two doctors at Regional Medical Center conduct a study on dieting at the local hardware store. She randomly selected six employees from the hardware store and determined that their metabolic rates were: 1754, 1633, 1502, 1476, 1846, and 1478. From the information given, determine the mean.21.Data that are collected in numerical form are always classified as being quantitative. Data that are collected in the form of words (interviews and open-ended questions) or from direct observation are classified as qualitative. Determine if the following data collected would be quantitative or qualitative and write your answers in the space provided: Scores received on a statistics exam.22.Data that are collected in numerical form are always classified as being quantitative. Data that are collected in the form of words (interviews and open-ended questions) or from direct observation are classified as qualitative. Determine if the following data collected would be quantitative or qualitative and write your answers in the space provided:The types of vitamins found in chewable supplements.23.For a normal distribution, the empirical rule applies. Approximately _____ percent of the data will fall within one standard deviation of the mean.24.For a normal distribution, the empirical rule applies. Approximately _____ percent of the data will fall within two standard deviations of the mean.25.For a normal distribution, the empirical rule applies. Approximately _____ percent of the data will fall within three standard deviations of the mean.26.The scores on a statistics exam have a mean of 480 and a standard deviation of 90. If these scores are normally distributed, then 68% of the scores will fall between a score of:27.The scores on a statistics exam have a mean of 480 and a standard deviation of 90. If these scores are normally distributed, then 95% of the scores will fall between a score of:28.The scores on a statistics exam have a mean of 480 and a standard deviation of 90. If these scores are normally distributed, then 99.7% of the scores will fall between a score of:29.Statistics is commonly used for purposes of ____________30.A confidence ___________ is a range around a specific point used to estimate a population parameter.