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Waist-to-hip ratio (WHR) provides an estimate of body fat distribution and is used as an indicator of health risks related to obesity. A higher WHR suggests a greater proportion of fat around the abdomen compared to the hips, which can be associated with an increased risk of cardiovascular diseases, Diabetes, and other metabolic disorders. It helps assess central obesity, which is often a more significant health concern than overall body weight.
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What is the difference between a crude odds ration and an adjusted odds ratio?
Odds ratio (AD/BC) is the ratio between number of times that something happens and does not happen. Crude odds ratio is the ratio that is not stratified (ex. by age). Adjusted odds ratio is a stratified odds ratio. If the odds ratio equals one, then there is no association, and null hypothesis shall be accepted. If one is included into confidence interval, then it is possible that odds ratio equals one, and it is not statistically significant. If stratified odds ratios are about the same, or there are no significant differences, the odds ratios are combined into one common odds summary estimate of two stratum specific ORs using Mantel-Haenszel and/or Cohran's tests, or multivariable analysis.
What are the quality of a good estimator?
A "Good" estimator is the one which provides an estimate with the following qualities:Unbiasedness: An estimate is said to be an unbiased estimate of a given parameter when the expected value of that estimator can be shown to be equal to the parameter being estimated. For example, the mean of a sample is an unbiased estimate of the mean of the population from which the sample was drawn. Unbiasedness is a good quality for an estimate, since, in such a case, using weighted average of several estimates provides a better estimate than each one of those estimates. Therefore, unbiasedness allows us to upgrade our estimates. For example, if your estimates of the population mean µ are say, 10, and 11.2 from two independent samples of sizes 20, and 30 respectively, then a better estimate of the population mean µ based on both samples is [20 (10) + 30 (11.2)] (20 + 30) = 10.75.Consistency: The standard deviation of an estimate is called the standard error of that estimate. The larger the standard error the more error in your estimate. The standard deviation of an estimate is a commonly used index of the error entailed in estimating a population parameter based on the information in a random sample of size n from the entire population.An estimator is said to be "consistent" if increasing the sample size produces an estimate with smaller standard error. Therefore, your estimate is "consistent" with the sample size. That is, spending more money to obtain a larger sample produces a better estimate.Efficiency: An efficient estimate is one which has the smallest standard error among all unbiased estimators.The "best" estimator is the one which is the closest to the population parameter being estimated.
Is age an interval or ratio scale of measurement?
It is a ratio scale of measurement.
What is the difference between ratio estimation and regression estimation?
diferece between ratio and regression
Is year is a ratio scale?
The year is interval scale (no natural zero); your age is ratio.
What is the ratio of the number of times an event occurs to the total number of trial is called?
The ratio of the number of times an event occurs to the total number of trials is called the "empirical probability" or "experimental probability." It is calculated by dividing the number of successful outcomes by the total number of trials conducted. This ratio provides an estimate of the likelihood of the event based on observed data rather than theoretical calculations.
What information can be found in the ratio of specific heats table?
The ratio of specific heats table provides information about the ratio of the specific heat capacities of different substances. This ratio is important in understanding how substances respond to changes in temperature and energy.
What is ratio of male to female?
The 2014 estimate is 1.014 males per female.
How do you calculate sharpe ratio in Excel?
The related link provides an excel template and some notes on how to calculate the sharpe ratio..pretty simple and effective.
What technique provides a program level cost estimate at completion that is a function of performance and schedule risks?
Cost risk analysis/assessment provides a program level cost estimate.
What estimate does the inverse of Hubble's constant provide?
The inverse of Hubble's constant provides an estimate of the age of the universe.
When the null hypothesis is true the ratio of the between groups population variance estimate to the within groups population variance estimate should be about?
1
Ratio of men to women in the world?
The 2014 estimate is 1.014 men per woman.
Ratio of males to females in australia?
The 2014 estimate is 1.0054 males per female.
What is the male to female ratio of Britain?
The 2014 estimate is 99 males:100 females.
What is the ratio of men to women in the us?
The 2014 estimate is 1.03 females per male.
What is the best way to measure body fat?
the best way to measure body fat is using a Body Mass Index (BMI). It provides a lot more information than a bathroom scale. This calculation uses a ratio of weight to height to estimate body fat.
